diff --git a/app_test.go b/app_test.go
index 437af25..53d6f64 100644
--- a/app_test.go
+++ b/app_test.go
@@ -2252,6 +2252,22 @@ func (c *customBoolFlag) IsSet() bool {
 	return false
 }
 
+func (c *customBoolFlag) IsRequired() bool {
+	return false
+}
+
+func (c *customBoolFlag) IsVisible() bool {
+	return false
+}
+
+func (c *customBoolFlag) GetCategory() string {
+	return ""
+}
+
+func (c *customBoolFlag) GetEnvVars() []string {
+	return nil
+}
+
 func TestCustomFlagsUnused(t *testing.T) {
 	app := &App{
 		Flags:  []Flag{&customBoolFlag{"custom"}},
diff --git a/flag.go b/flag.go
index dbed577..4580a3e 100644
--- a/flag.go
+++ b/flag.go
@@ -93,14 +93,20 @@ type Flag interface {
 	Apply(*flag.FlagSet) error
 	Names() []string
 	IsSet() bool
+	IsRequired() bool
+	// IsVisible returns true if the flag is not hidden, otherwise false
+	IsVisible() bool
+	GetCategory() string
+	// GetUsage returns the usage string for the flag
+	GetUsage() string
+	// GetEnvVars returns the env vars for this flag
+	GetEnvVars() []string
 }
 
 // RequiredFlag is an interface that allows us to mark flags as required
 // it allows flags required flags to be backwards compatible with the Flag interface
 type RequiredFlag interface {
 	Flag
-
-	IsRequired() bool
 }
 
 // DocGenerationFlag is an interface that allows documentation generation for the flag
@@ -110,34 +116,23 @@ type DocGenerationFlag interface {
 	// TakesValue returns true if the flag takes a value, otherwise false
 	TakesValue() bool
 
-	// GetUsage returns the usage string for the flag
-	GetUsage() string
-
 	// GetValue returns the flags value as string representation and an empty
 	// string if the flag takes no value at all.
 	GetValue() string
 
 	// GetDefaultText returns the default text for this flag
 	GetDefaultText() string
-
-	// GetEnvVars returns the env vars for this flag
-	GetEnvVars() []string
 }
 
 // VisibleFlag is an interface that allows to check if a flag is visible
 type VisibleFlag interface {
 	Flag
-
-	// IsVisible returns true if the flag is not hidden, otherwise false
-	IsVisible() bool
 }
 
 // CategorizableFlag is an interface that allows us to potentially
 // use a flag in a categorized representation.
 type CategorizableFlag interface {
 	VisibleFlag
-
-	GetCategory() string
 }
 
 func flagSet(name string, flags []Flag) (*flag.FlagSet, error) {
diff --git a/flag_bool.go b/flag_bool.go
index b21d516..c8a01bb 100644
--- a/flag_bool.go
+++ b/flag_bool.go
@@ -6,21 +6,6 @@ import (
 	"strconv"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *BoolFlag) TakesValue() bool {
-	return false
-}
-
-// GetUsage returns the usage string for the flag
-func (f *BoolFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *BoolFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *BoolFlag) GetValue() string {
@@ -35,11 +20,6 @@ func (f *BoolFlag) GetDefaultText() string {
 	return fmt.Sprintf("%v", f.Value)
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *BoolFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *BoolFlag) Apply(set *flag.FlagSet) error {
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
diff --git a/flag_duration.go b/flag_duration.go
index 5178c6a..6f4ece0 100644
--- a/flag_duration.go
+++ b/flag_duration.go
@@ -6,21 +6,6 @@ import (
 	"time"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *DurationFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *DurationFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *DurationFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *DurationFlag) GetValue() string {
@@ -35,11 +20,6 @@ func (f *DurationFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *DurationFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *DurationFlag) Apply(set *flag.FlagSet) error {
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
diff --git a/flag_float64.go b/flag_float64.go
index 2d31739..4c8778f 100644
--- a/flag_float64.go
+++ b/flag_float64.go
@@ -6,21 +6,6 @@ import (
 	"strconv"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *Float64Flag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *Float64Flag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *Float64Flag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *Float64Flag) GetValue() string {
@@ -35,11 +20,6 @@ func (f *Float64Flag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *Float64Flag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *Float64Flag) Apply(set *flag.FlagSet) error {
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
diff --git a/flag_float64_slice.go b/flag_float64_slice.go
index 031ec1d..911cb84 100644
--- a/flag_float64_slice.go
+++ b/flag_float64_slice.go
@@ -86,21 +86,6 @@ func (f *Float64SliceFlag) String() string {
 	return withEnvHint(f.GetEnvVars(), stringifyFloat64SliceFlag(f))
 }
 
-// TakesValue returns true if the flag takes a value, otherwise false
-func (f *Float64SliceFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *Float64SliceFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *Float64SliceFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *Float64SliceFlag) GetValue() string {
@@ -118,11 +103,6 @@ func (f *Float64SliceFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *Float64SliceFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *Float64SliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
diff --git a/flag_generic.go b/flag_generic.go
index 680eeb9..256aea6 100644
--- a/flag_generic.go
+++ b/flag_generic.go
@@ -11,21 +11,6 @@ type Generic interface {
 	String() string
 }
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *GenericFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *GenericFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *GenericFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *GenericFlag) GetValue() string {
@@ -43,11 +28,6 @@ func (f *GenericFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *GenericFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply takes the flagset and calls Set on the generic flag with the value
 // provided by the user for parsing by the flag
 func (f GenericFlag) Apply(set *flag.FlagSet) error {
diff --git a/flag_int.go b/flag_int.go
index c70b889..d4d8959 100644
--- a/flag_int.go
+++ b/flag_int.go
@@ -6,21 +6,6 @@ import (
 	"strconv"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *IntFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *IntFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *IntFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *IntFlag) GetValue() string {
@@ -35,11 +20,6 @@ func (f *IntFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *IntFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *IntFlag) Apply(set *flag.FlagSet) error {
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
diff --git a/flag_int64.go b/flag_int64.go
index 5e7038c..fdb65b9 100644
--- a/flag_int64.go
+++ b/flag_int64.go
@@ -6,21 +6,6 @@ import (
 	"strconv"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *Int64Flag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *Int64Flag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *Int64Flag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *Int64Flag) GetValue() string {
@@ -35,11 +20,6 @@ func (f *Int64Flag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *Int64Flag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *Int64Flag) Apply(set *flag.FlagSet) error {
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
diff --git a/flag_int64_slice.go b/flag_int64_slice.go
index 657aaaa..0346663 100644
--- a/flag_int64_slice.go
+++ b/flag_int64_slice.go
@@ -87,21 +87,6 @@ func (f *Int64SliceFlag) String() string {
 	return withEnvHint(f.GetEnvVars(), stringifyInt64SliceFlag(f))
 }
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *Int64SliceFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *Int64SliceFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *Int64SliceFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *Int64SliceFlag) GetValue() string {
@@ -119,11 +104,6 @@ func (f *Int64SliceFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *Int64SliceFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *Int64SliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
diff --git a/flag_int_slice.go b/flag_int_slice.go
index 7c38393..a24fc8d 100644
--- a/flag_int_slice.go
+++ b/flag_int_slice.go
@@ -98,21 +98,6 @@ func (f *IntSliceFlag) String() string {
 	return withEnvHint(f.GetEnvVars(), stringifyIntSliceFlag(f))
 }
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *IntSliceFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *IntSliceFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *IntSliceFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *IntSliceFlag) GetValue() string {
@@ -130,11 +115,6 @@ func (f *IntSliceFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *IntSliceFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *IntSliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
diff --git a/flag_path.go b/flag_path.go
index 7c87a89..e622c40 100644
--- a/flag_path.go
+++ b/flag_path.go
@@ -7,21 +7,6 @@ import (
 
 type Path = string
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *PathFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *PathFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *PathFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *PathFlag) GetValue() string {
@@ -39,11 +24,6 @@ func (f *PathFlag) GetDefaultText() string {
 	return fmt.Sprintf("%q", f.Value)
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *PathFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *PathFlag) Apply(set *flag.FlagSet) error {
 	if val, _, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
diff --git a/flag_string.go b/flag_string.go
index c8da38f..31cd89d 100644
--- a/flag_string.go
+++ b/flag_string.go
@@ -5,21 +5,6 @@ import (
 	"fmt"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *StringFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *StringFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *StringFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *StringFlag) GetValue() string {
@@ -37,11 +22,6 @@ func (f *StringFlag) GetDefaultText() string {
 	return fmt.Sprintf("%q", f.Value)
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *StringFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *StringFlag) Apply(set *flag.FlagSet) error {
 	if val, _, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
diff --git a/flag_string_slice.go b/flag_string_slice.go
index bcdfd4c..d56dce1 100644
--- a/flag_string_slice.go
+++ b/flag_string_slice.go
@@ -76,21 +76,6 @@ func (f *StringSliceFlag) String() string {
 	return withEnvHint(f.GetEnvVars(), stringifyStringSliceFlag(f))
 }
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *StringSliceFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *StringSliceFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *StringSliceFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *StringSliceFlag) GetValue() string {
@@ -108,11 +93,6 @@ func (f *StringSliceFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *StringSliceFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *StringSliceFlag) Apply(set *flag.FlagSet) error {
 	// apply any default
diff --git a/flag_timestamp.go b/flag_timestamp.go
index 80e1f47..275fd1e 100644
--- a/flag_timestamp.go
+++ b/flag_timestamp.go
@@ -72,21 +72,6 @@ func (t *Timestamp) Get() interface{} {
 	return *t
 }
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *TimestampFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *TimestampFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *TimestampFlag) GetCategory() string {
-	return f.Category
-}
-
 // GetValue returns the flags value as string representation and an empty
 // string if the flag takes no value at all.
 func (f *TimestampFlag) GetValue() string {
@@ -104,11 +89,6 @@ func (f *TimestampFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *TimestampFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 	if f.Layout == "" {
diff --git a/flag_uint.go b/flag_uint.go
index 6092b1a..c3e8fcb 100644
--- a/flag_uint.go
+++ b/flag_uint.go
@@ -6,21 +6,6 @@ import (
 	"strconv"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *UintFlag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *UintFlag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *UintFlag) GetCategory() string {
-	return f.Category
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *UintFlag) Apply(set *flag.FlagSet) error {
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
@@ -60,11 +45,6 @@ func (f *UintFlag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *UintFlag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Get returns the flag’s value in the given Context.
 func (f *UintFlag) Get(ctx *Context) uint {
 	return ctx.Uint(f.Name)
diff --git a/flag_uint64.go b/flag_uint64.go
index a37f30d..cacdcc6 100644
--- a/flag_uint64.go
+++ b/flag_uint64.go
@@ -6,21 +6,6 @@ import (
 	"strconv"
 )
 
-// TakesValue returns true of the flag takes a value, otherwise false
-func (f *Uint64Flag) TakesValue() bool {
-	return true
-}
-
-// GetUsage returns the usage string for the flag
-func (f *Uint64Flag) GetUsage() string {
-	return f.Usage
-}
-
-// GetCategory returns the category for the flag
-func (f *Uint64Flag) GetCategory() string {
-	return f.Category
-}
-
 // Apply populates the flag given the flag set and environment
 func (f *Uint64Flag) Apply(set *flag.FlagSet) error {
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
@@ -60,11 +45,6 @@ func (f *Uint64Flag) GetDefaultText() string {
 	return f.GetValue()
 }
 
-// GetEnvVars returns the env vars for this flag
-func (f *Uint64Flag) GetEnvVars() []string {
-	return f.EnvVars
-}
-
 // Get returns the flag’s value in the given Context.
 func (f *Uint64Flag) Get(ctx *Context) uint64 {
 	return ctx.Uint64(f.Name)
diff --git a/godoc-current.txt b/godoc-current.txt
index 1ba48cc..afdb3d5 100644
--- a/godoc-current.txt
+++ b/godoc-current.txt
@@ -64,8 +64,8 @@ GLOBAL OPTIONS:
 COPYRIGHT:
    {{wrap .Copyright 3}}{{end}}
 `
-    AppHelpTemplate is the text template for the Default help topic. cli.go uses
-    text/template to render templates. You can render custom help text by
+    AppHelpTemplate is the text template for the Default help topic. cli.go
+    uses text/template to render templates. You can render custom help text by
     setting this variable.
 
 var CommandHelpTemplate = `NAME:
@@ -201,9 +201,9 @@ func DefaultAppComplete(cCtx *Context)
 func DefaultCompleteWithFlags(cmd *Command) func(cCtx *Context)
 func FlagNames(name string, aliases []string) []string
 func HandleAction(action interface{}, cCtx *Context) (err error)
-    HandleAction attempts to figure out which Action signature was used. If it's
-    an ActionFunc or a func with the legacy signature for Action, the func is
-    run!
+    HandleAction attempts to figure out which Action signature was used.
+    If it's an ActionFunc or a func with the legacy signature for Action,
+    the func is run!
 
 func HandleExitCoder(err error)
     HandleExitCoder handles errors implementing ExitCoder by printing their
@@ -360,14 +360,14 @@ func (a *App) RunAsSubcommand(ctx *Context) (err error)
     to generate command-specific flags
 
 func (a *App) RunContext(ctx context.Context, arguments []string) (err error)
-    RunContext is like Run except it takes a Context that will be passed to its
-    commands and sub-commands. Through this, you can propagate timeouts and
+    RunContext is like Run except it takes a Context that will be passed to
+    its commands and sub-commands. Through this, you can propagate timeouts and
     cancellation requests
 
 func (a *App) Setup()
-    Setup runs initialization code to ensure all data structures are ready for
-    `Run` or inspection prior to `Run`. It is internally called by `Run`, but
-    will return early if setup has already happened.
+    Setup runs initialization code to ensure all data structures are ready
+    for `Run` or inspection prior to `Run`. It is internally called by `Run`,
+    but will return early if setup has already happened.
 
 func (a *App) ToFishCompletion() (string, error)
     ToFishCompletion creates a fish completion string for the `*App` The
@@ -460,7 +460,7 @@ func (f *BoolFlag) Get(ctx *Context) bool
     Get returns the flag’s value in the given Context.
 
 func (f *BoolFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *BoolFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -491,12 +491,10 @@ func (f *BoolFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *BoolFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type CategorizableFlag interface {
 	VisibleFlag
-
-	GetCategory() string
 }
     CategorizableFlag is an interface that allows us to potentially use a flag
     in a categorized representation.
@@ -707,18 +705,12 @@ type DocGenerationFlag interface {
 	// TakesValue returns true if the flag takes a value, otherwise false
 	TakesValue() bool
 
-	// GetUsage returns the usage string for the flag
-	GetUsage() string
-
 	// GetValue returns the flags value as string representation and an empty
 	// string if the flag takes no value at all.
 	GetValue() string
 
 	// GetDefaultText returns the default text for this flag
 	GetDefaultText() string
-
-	// GetEnvVars returns the env vars for this flag
-	GetEnvVars() []string
 }
     DocGenerationFlag is an interface that allows documentation generation for
     the flag
@@ -750,7 +742,7 @@ func (f *DurationFlag) Get(ctx *Context) time.Duration
     Get returns the flag’s value in the given Context.
 
 func (f *DurationFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *DurationFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -781,7 +773,7 @@ func (f *DurationFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *DurationFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type ErrorFormatter interface {
 	Format(s fmt.State, verb rune)
@@ -799,9 +791,9 @@ func Exit(message interface{}, exitCode int) ExitCoder
     Exit wraps a message and exit code into an error, which by default is
     handled with a call to os.Exit during default error handling.
 
-    This is the simplest way to trigger a non-zero exit code for an App without
-    having to call os.Exit manually. During testing, this behavior can be
-    avoided by overiding the ExitErrHandler function on an App or the
+    This is the simplest way to trigger a non-zero exit code for an App
+    without having to call os.Exit manually. During testing, this behavior
+    can be avoided by overiding the ExitErrHandler function on an App or the
     package-global OsExiter function.
 
 func NewExitError(message interface{}, exitCode int) ExitCoder
@@ -820,6 +812,14 @@ type Flag interface {
 	Apply(*flag.FlagSet) error
 	Names() []string
 	IsSet() bool
+	IsRequired() bool
+	// IsVisible returns true if the flag is not hidden, otherwise false
+	IsVisible() bool
+	GetCategory() string
+	// GetUsage returns the usage string for the flag
+	GetUsage() string
+	// GetEnvVars returns the env vars for this flag
+	GetEnvVars() []string
 }
     Flag is a common interface related to parsing flags in cli. For more
     advanced flag parsing techniques, it is recommended that this interface be
@@ -923,7 +923,7 @@ func (f *Float64Flag) Get(ctx *Context) float64
     Get returns the flag’s value in the given Context.
 
 func (f *Float64Flag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *Float64Flag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -954,7 +954,7 @@ func (f *Float64Flag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *Float64Flag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type Float64Slice struct {
 	// Has unexported fields.
@@ -1006,7 +1006,7 @@ func (f *Float64SliceFlag) Get(ctx *Context) []float64
     Get returns the flag’s value in the given Context.
 
 func (f *Float64SliceFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *Float64SliceFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1081,7 +1081,7 @@ func (f *GenericFlag) Get(ctx *Context) interface{}
     Get returns the flag’s value in the given Context.
 
 func (f *GenericFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *GenericFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1112,7 +1112,7 @@ func (f *GenericFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *GenericFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type Int64Flag struct {
 	Name string
@@ -1141,7 +1141,7 @@ func (f *Int64Flag) Get(ctx *Context) int64
     Get returns the flag’s value in the given Context.
 
 func (f *Int64Flag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *Int64Flag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1172,7 +1172,7 @@ func (f *Int64Flag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *Int64Flag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type Int64Slice struct {
 	// Has unexported fields.
@@ -1224,7 +1224,7 @@ func (f *Int64SliceFlag) Get(ctx *Context) []int64
     Get returns the flag’s value in the given Context.
 
 func (f *Int64SliceFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *Int64SliceFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1261,7 +1261,7 @@ func (f *Int64SliceFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *Int64SliceFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type IntFlag struct {
 	Name string
@@ -1290,7 +1290,7 @@ func (f *IntFlag) Get(ctx *Context) int
     Get returns the flag’s value in the given Context.
 
 func (f *IntFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *IntFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1321,7 +1321,7 @@ func (f *IntFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *IntFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type IntSlice struct {
 	// Has unexported fields.
@@ -1377,7 +1377,7 @@ func (f *IntSliceFlag) Get(ctx *Context) []int
     Get returns the flag’s value in the given Context.
 
 func (f *IntSliceFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *IntSliceFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1414,7 +1414,7 @@ func (f *IntSliceFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *IntSliceFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type MultiError interface {
 	error
@@ -1431,8 +1431,8 @@ type MultiInt64Flag = SliceFlag[*Int64SliceFlag, []int64, int64]
     directly, as Value and/or Destination. See also SliceFlag.
 
 type MultiIntFlag = SliceFlag[*IntSliceFlag, []int, int]
-    MultiIntFlag extends IntSliceFlag with support for using slices directly, as
-    Value and/or Destination. See also SliceFlag.
+    MultiIntFlag extends IntSliceFlag with support for using slices directly,
+    as Value and/or Destination. See also SliceFlag.
 
 type MultiStringFlag = SliceFlag[*StringSliceFlag, []string, string]
     MultiStringFlag extends StringSliceFlag with support for using slices
@@ -1475,7 +1475,7 @@ func (f *PathFlag) Get(ctx *Context) string
     Get returns the flag’s value in the given Context.
 
 func (f *PathFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *PathFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1506,15 +1506,13 @@ func (f *PathFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *PathFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type RequiredFlag interface {
 	Flag
-
-	IsRequired() bool
 }
-    RequiredFlag is an interface that allows us to mark flags as required it
-    allows flags required flags to be backwards compatible with the Flag
+    RequiredFlag is an interface that allows us to mark flags as required
+    it allows flags required flags to be backwards compatible with the Flag
     interface
 
 type Serializer interface {
@@ -1527,9 +1525,9 @@ type SliceFlag[T SliceFlagTarget[E], S ~[]E, E any] struct {
 	Value       S
 	Destination *S
 }
-    SliceFlag extends implementations like StringSliceFlag and IntSliceFlag with
-    support for using slices directly, as Value and/or Destination. See also
-    SliceFlagTarget, MultiStringFlag, MultiFloat64Flag, MultiInt64Flag,
+    SliceFlag extends implementations like StringSliceFlag and IntSliceFlag
+    with support for using slices directly, as Value and/or Destination.
+    See also SliceFlagTarget, MultiStringFlag, MultiFloat64Flag, MultiInt64Flag,
     MultiIntFlag.
 
 func (x *SliceFlag[T, S, E]) Apply(set *flag.FlagSet) error
@@ -1564,9 +1562,7 @@ func (x *SliceFlag[T, S, E]) TakesValue() bool
 
 type SliceFlagTarget[E any] interface {
 	Flag
-	RequiredFlag
 	DocGenerationFlag
-	VisibleFlag
 	CategorizableFlag
 
 	// SetValue should propagate the given slice to the target, ideally as a new value.
@@ -1612,7 +1608,7 @@ func (f *StringFlag) Get(ctx *Context) string
     Get returns the flag’s value in the given Context.
 
 func (f *StringFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *StringFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1643,7 +1639,7 @@ func (f *StringFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *StringFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type StringSlice struct {
 	// Has unexported fields.
@@ -1697,7 +1693,7 @@ func (f *StringSliceFlag) Get(ctx *Context) []string
     Get returns the flag’s value in the given Context.
 
 func (f *StringSliceFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *StringSliceFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1734,7 +1730,7 @@ func (f *StringSliceFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *StringSliceFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type SuggestCommandFunc func(commands []*Command, provided string) string
 
@@ -1800,7 +1796,7 @@ func (f *TimestampFlag) Get(ctx *Context) *time.Time
     Get returns the flag’s value in the given Context.
 
 func (f *TimestampFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *TimestampFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1831,7 +1827,7 @@ func (f *TimestampFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *TimestampFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type Uint64Flag struct {
 	Name string
@@ -1860,7 +1856,7 @@ func (f *Uint64Flag) Get(ctx *Context) uint64
     Get returns the flag’s value in the given Context.
 
 func (f *Uint64Flag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *Uint64Flag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1891,7 +1887,7 @@ func (f *Uint64Flag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *Uint64Flag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type UintFlag struct {
 	Name string
@@ -1920,7 +1916,7 @@ func (f *UintFlag) Get(ctx *Context) uint
     Get returns the flag’s value in the given Context.
 
 func (f *UintFlag) GetCategory() string
-    GetCategory returns the category for the flag
+    GetCategory returns the category of the flag
 
 func (f *UintFlag) GetDefaultText() string
     GetDefaultText returns the default text for this flag
@@ -1951,13 +1947,10 @@ func (f *UintFlag) String() string
     String returns a readable representation of this value (for usage defaults)
 
 func (f *UintFlag) TakesValue() bool
-    TakesValue returns true of the flag takes a value, otherwise false
+    TakesValue returns true if the flag takes a value, otherwise false
 
 type VisibleFlag interface {
 	Flag
-
-	// IsVisible returns true if the flag is not hidden, otherwise false
-	IsVisible() bool
 }
     VisibleFlag is an interface that allows to check if a flag is visible
 
@@ -1986,9 +1979,9 @@ func InitInputSource(flags []cli.Flag, createInputSource func() (InputSourceCont
     that are supported by the input source
 
 func InitInputSourceWithContext(flags []cli.Flag, createInputSource func(cCtx *cli.Context) (InputSourceContext, error)) cli.BeforeFunc
-    InitInputSourceWithContext is used to to setup an InputSourceContext on a
-    cli.Command Before method. It will create a new input source based on the
-    func provided with potentially using existing cli.Context values to
+    InitInputSourceWithContext is used to to setup an InputSourceContext on
+    a cli.Command Before method. It will create a new input source based on
+    the func provided with potentially using existing cli.Context values to
     initialize itself. If there is no error it will then apply the new input
     source to any flags that are supported by the input source
 
diff --git a/internal/genflags/generated.gotmpl b/internal/genflags/generated.gotmpl
index 8b82ccf..d4b1538 100644
--- a/internal/genflags/generated.gotmpl
+++ b/internal/genflags/generated.gotmpl
@@ -45,21 +45,38 @@ func (f *{{.TypeName}}) Names() []string {
   return {{$.UrfaveCLINamespace}}FlagNames(f.Name, f.Aliases)
 }
 
-{{end}}{{/* /if .GenerateFlagInterface */}}
-
-{{if .GenerateRequiredFlagInterface}}
 // IsRequired returns whether or not the flag is required
 func (f *{{.TypeName}}) IsRequired() bool {
   return f.Required
 }
-{{end}}{{/* /if .GenerateRequiredFlagInterface */}}
 
-{{if .GenerateVisibleFlagInterface}}
 // IsVisible returns true if the flag is not hidden, otherwise false
 func (f *{{.TypeName}}) IsVisible() bool {
 	return !f.Hidden
 }
-{{end}}{{/* /if .GenerateVisibleFlagInterface */}}
+
+// GetCategory returns the category of the flag
+func (f *{{.TypeName}}) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *{{.TypeName}}) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *{{.TypeName}}) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *{{.TypeName}}) TakesValue() bool {
+  return "{{.TypeName }}" != "BoolFlag"
+}
+
+{{end}}{{/* /if .GenerateFlagInterface */}}
+
 {{end}}{{/* /range .SortedFlagTypes */}}
 
 // vim{{/* 👻 */}}:ro
diff --git a/internal/genflags/generated_test.gotmpl b/internal/genflags/generated_test.gotmpl
index 52de4e4..83229b0 100644
--- a/internal/genflags/generated_test.gotmpl
+++ b/internal/genflags/generated_test.gotmpl
@@ -10,31 +10,30 @@ func Test{{.TypeName}}_SatisfiesFlagInterface(t *testing.T) {
   _ = f.IsSet()
   _ = f.Names()
 }
-{{end}}
-
-{{if .GenerateFmtStringerInterface}}
-func Test{{.TypeName}}_SatisfiesFmtStringerInterface(t *testing.T) {
-  var f fmt.Stringer = &{{$.UrfaveCLITestNamespace}}{{.TypeName}}{}
 
-  _ = f.String()
-}
-{{end}}
-
-{{if .GenerateRequiredFlagInterface}}
 func Test{{.TypeName}}_SatisfiesRequiredFlagInterface(t *testing.T) {
   var f {{$.UrfaveCLITestNamespace}}RequiredFlag = &{{$.UrfaveCLITestNamespace}}{{.TypeName}}{}
 
   _ = f.IsRequired()
 }
-{{end}}
 
-{{if .GenerateVisibleFlagInterface}}
 func Test{{.TypeName}}_SatisfiesVisibleFlagInterface(t *testing.T) {
   var f {{$.UrfaveCLITestNamespace}}VisibleFlag = &{{$.UrfaveCLITestNamespace}}{{.TypeName}}{}
 
   _ = f.IsVisible()
 }
+
 {{end}}
+
+{{if .GenerateFmtStringerInterface}}
+func Test{{.TypeName}}_SatisfiesFmtStringerInterface(t *testing.T) {
+  var f fmt.Stringer = &{{$.UrfaveCLITestNamespace}}{{.TypeName}}{}
+
+  _ = f.String()
+}
+{{end}}
+
+
 {{end}}
 
 // vim{{/* 👻 */}}:ro
diff --git a/internal/genflags/spec.go b/internal/genflags/spec.go
index a7afb22..de537a5 100644
--- a/internal/genflags/spec.go
+++ b/internal/genflags/spec.go
@@ -39,10 +39,11 @@ func (gfs *Spec) SortedFlagTypes() []*FlagType {
 }
 
 type FlagTypeConfig struct {
-	SkipInterfaces []string           `yaml:"skip_interfaces"`
-	StructFields   []*FlagStructField `yaml:"struct_fields"`
-	TypeName       string             `yaml:"type_name"`
-	ValuePointer   bool               `yaml:"value_pointer"`
+	SkipInterfaces  []string           `yaml:"skip_interfaces"`
+	StructFields    []*FlagStructField `yaml:"struct_fields"`
+	TypeName        string             `yaml:"type_name"`
+	ValuePointer    bool               `yaml:"value_pointer"`
+	DoesntNeedValue bool               `yaml:"doesnt_need_value"`
 }
 
 type FlagStructField struct {
@@ -83,14 +84,6 @@ func (ft *FlagType) GenerateFlagInterface() bool {
 	return ft.skipInterfaceNamed("Flag")
 }
 
-func (ft *FlagType) GenerateRequiredFlagInterface() bool {
-	return ft.skipInterfaceNamed("RequiredFlag")
-}
-
-func (ft *FlagType) GenerateVisibleFlagInterface() bool {
-	return ft.skipInterfaceNamed("VisibleFlag")
-}
-
 func (ft *FlagType) skipInterfaceNamed(name string) bool {
 	if ft.Config == nil {
 		return true
diff --git a/sliceflag.go b/sliceflag.go
index b2ca590..6cc5266 100644
--- a/sliceflag.go
+++ b/sliceflag.go
@@ -21,9 +21,7 @@ type (
 	// update).
 	SliceFlagTarget[E any] interface {
 		Flag
-		RequiredFlag
 		DocGenerationFlag
-		VisibleFlag
 		CategorizableFlag
 
 		// SetValue should propagate the given slice to the target, ideally as a new value.
diff --git a/zz_generated.flags.go b/zz_generated.flags.go
index b89566f..1ee72d3 100644
--- a/zz_generated.flags.go
+++ b/zz_generated.flags.go
@@ -44,6 +44,26 @@ func (f *Float64SliceFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *Float64SliceFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Float64SliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Float64SliceFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *Float64SliceFlag) TakesValue() bool {
+	return "Float64SliceFlag" != "BoolFlag"
+}
+
 // GenericFlag is a flag with type Generic
 type GenericFlag struct {
 	Name string
@@ -91,6 +111,26 @@ func (f *GenericFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *GenericFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *GenericFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *GenericFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *GenericFlag) TakesValue() bool {
+	return "GenericFlag" != "BoolFlag"
+}
+
 // Int64SliceFlag is a flag with type *Int64Slice
 type Int64SliceFlag struct {
 	Name string
@@ -131,6 +171,26 @@ func (f *Int64SliceFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *Int64SliceFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Int64SliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Int64SliceFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *Int64SliceFlag) TakesValue() bool {
+	return "Int64SliceFlag" != "BoolFlag"
+}
+
 // IntSliceFlag is a flag with type *IntSlice
 type IntSliceFlag struct {
 	Name string
@@ -171,6 +231,26 @@ func (f *IntSliceFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *IntSliceFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *IntSliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *IntSliceFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *IntSliceFlag) TakesValue() bool {
+	return "IntSliceFlag" != "BoolFlag"
+}
+
 // PathFlag is a flag with type Path
 type PathFlag struct {
 	Name string
@@ -218,6 +298,26 @@ func (f *PathFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *PathFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *PathFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *PathFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *PathFlag) TakesValue() bool {
+	return "PathFlag" != "BoolFlag"
+}
+
 // StringSliceFlag is a flag with type *StringSlice
 type StringSliceFlag struct {
 	Name string
@@ -260,6 +360,26 @@ func (f *StringSliceFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *StringSliceFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *StringSliceFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *StringSliceFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *StringSliceFlag) TakesValue() bool {
+	return "StringSliceFlag" != "BoolFlag"
+}
+
 // TimestampFlag is a flag with type *Timestamp
 type TimestampFlag struct {
 	Name string
@@ -309,6 +429,26 @@ func (f *TimestampFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *TimestampFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *TimestampFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *TimestampFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *TimestampFlag) TakesValue() bool {
+	return "TimestampFlag" != "BoolFlag"
+}
+
 // BoolFlag is a flag with type bool
 type BoolFlag struct {
 	Name string
@@ -354,6 +494,26 @@ func (f *BoolFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *BoolFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *BoolFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *BoolFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *BoolFlag) TakesValue() bool {
+	return "BoolFlag" != "BoolFlag"
+}
+
 // Float64Flag is a flag with type float64
 type Float64Flag struct {
 	Name string
@@ -399,6 +559,26 @@ func (f *Float64Flag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *Float64Flag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Float64Flag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Float64Flag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *Float64Flag) TakesValue() bool {
+	return "Float64Flag" != "BoolFlag"
+}
+
 // IntFlag is a flag with type int
 type IntFlag struct {
 	Name string
@@ -444,6 +624,26 @@ func (f *IntFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *IntFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *IntFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *IntFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *IntFlag) TakesValue() bool {
+	return "IntFlag" != "BoolFlag"
+}
+
 // Int64Flag is a flag with type int64
 type Int64Flag struct {
 	Name string
@@ -489,6 +689,26 @@ func (f *Int64Flag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *Int64Flag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Int64Flag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Int64Flag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *Int64Flag) TakesValue() bool {
+	return "Int64Flag" != "BoolFlag"
+}
+
 // StringFlag is a flag with type string
 type StringFlag struct {
 	Name string
@@ -536,6 +756,26 @@ func (f *StringFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *StringFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *StringFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *StringFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *StringFlag) TakesValue() bool {
+	return "StringFlag" != "BoolFlag"
+}
+
 // DurationFlag is a flag with type time.Duration
 type DurationFlag struct {
 	Name string
@@ -581,6 +821,26 @@ func (f *DurationFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *DurationFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *DurationFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *DurationFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *DurationFlag) TakesValue() bool {
+	return "DurationFlag" != "BoolFlag"
+}
+
 // UintFlag is a flag with type uint
 type UintFlag struct {
 	Name string
@@ -626,6 +886,26 @@ func (f *UintFlag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *UintFlag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *UintFlag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *UintFlag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *UintFlag) TakesValue() bool {
+	return "UintFlag" != "BoolFlag"
+}
+
 // Uint64Flag is a flag with type uint64
 type Uint64Flag struct {
 	Name string
@@ -671,4 +951,24 @@ func (f *Uint64Flag) IsVisible() bool {
 	return !f.Hidden
 }
 
+// GetCategory returns the category of the flag
+func (f *Uint64Flag) GetCategory() string {
+	return f.Category
+}
+
+// GetUsage returns the usage string for the flag
+func (f *Uint64Flag) GetUsage() string {
+	return f.Usage
+}
+
+// GetEnvVars returns the env vars for this flag
+func (f *Uint64Flag) GetEnvVars() []string {
+	return f.EnvVars
+}
+
+// TakesValue returns true if the flag takes a value, otherwise false
+func (f *Uint64Flag) TakesValue() bool {
+	return "Uint64Flag" != "BoolFlag"
+}
+
 // vim:ro
diff --git a/zz_generated.flags_test.go b/zz_generated.flags_test.go
index 1d9afda..37dd857 100644
--- a/zz_generated.flags_test.go
+++ b/zz_generated.flags_test.go
@@ -35,12 +35,6 @@ func TestGenericFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestGenericFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.GenericFlag{}
-
-	_ = f.String()
-}
-
 func TestGenericFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.GenericFlag{}
 
@@ -53,6 +47,12 @@ func TestGenericFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestGenericFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.GenericFlag{}
+
+	_ = f.String()
+}
+
 func TestInt64SliceFlag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.Int64SliceFlag{}
 
@@ -98,12 +98,6 @@ func TestPathFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestPathFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.PathFlag{}
-
-	_ = f.String()
-}
-
 func TestPathFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.PathFlag{}
 
@@ -116,6 +110,12 @@ func TestPathFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestPathFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.PathFlag{}
+
+	_ = f.String()
+}
+
 func TestStringSliceFlag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.StringSliceFlag{}
 
@@ -142,12 +142,6 @@ func TestTimestampFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestTimestampFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.TimestampFlag{}
-
-	_ = f.String()
-}
-
 func TestTimestampFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.TimestampFlag{}
 
@@ -160,6 +154,12 @@ func TestTimestampFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestTimestampFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.TimestampFlag{}
+
+	_ = f.String()
+}
+
 func TestBoolFlag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.BoolFlag{}
 
@@ -167,12 +167,6 @@ func TestBoolFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestBoolFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.BoolFlag{}
-
-	_ = f.String()
-}
-
 func TestBoolFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.BoolFlag{}
 
@@ -185,6 +179,12 @@ func TestBoolFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestBoolFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.BoolFlag{}
+
+	_ = f.String()
+}
+
 func TestFloat64Flag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.Float64Flag{}
 
@@ -192,12 +192,6 @@ func TestFloat64Flag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestFloat64Flag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.Float64Flag{}
-
-	_ = f.String()
-}
-
 func TestFloat64Flag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.Float64Flag{}
 
@@ -210,6 +204,12 @@ func TestFloat64Flag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestFloat64Flag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.Float64Flag{}
+
+	_ = f.String()
+}
+
 func TestIntFlag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.IntFlag{}
 
@@ -217,12 +217,6 @@ func TestIntFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestIntFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.IntFlag{}
-
-	_ = f.String()
-}
-
 func TestIntFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.IntFlag{}
 
@@ -235,6 +229,12 @@ func TestIntFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestIntFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.IntFlag{}
+
+	_ = f.String()
+}
+
 func TestInt64Flag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.Int64Flag{}
 
@@ -242,12 +242,6 @@ func TestInt64Flag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestInt64Flag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.Int64Flag{}
-
-	_ = f.String()
-}
-
 func TestInt64Flag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.Int64Flag{}
 
@@ -260,6 +254,12 @@ func TestInt64Flag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestInt64Flag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.Int64Flag{}
+
+	_ = f.String()
+}
+
 func TestStringFlag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.StringFlag{}
 
@@ -267,12 +267,6 @@ func TestStringFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestStringFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.StringFlag{}
-
-	_ = f.String()
-}
-
 func TestStringFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.StringFlag{}
 
@@ -285,6 +279,12 @@ func TestStringFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestStringFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.StringFlag{}
+
+	_ = f.String()
+}
+
 func TestDurationFlag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.DurationFlag{}
 
@@ -292,12 +292,6 @@ func TestDurationFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestDurationFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.DurationFlag{}
-
-	_ = f.String()
-}
-
 func TestDurationFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.DurationFlag{}
 
@@ -310,6 +304,12 @@ func TestDurationFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestDurationFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.DurationFlag{}
+
+	_ = f.String()
+}
+
 func TestUintFlag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.UintFlag{}
 
@@ -317,12 +317,6 @@ func TestUintFlag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestUintFlag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.UintFlag{}
-
-	_ = f.String()
-}
-
 func TestUintFlag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.UintFlag{}
 
@@ -335,6 +329,12 @@ func TestUintFlag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestUintFlag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.UintFlag{}
+
+	_ = f.String()
+}
+
 func TestUint64Flag_SatisfiesFlagInterface(t *testing.T) {
 	var f cli.Flag = &cli.Uint64Flag{}
 
@@ -342,12 +342,6 @@ func TestUint64Flag_SatisfiesFlagInterface(t *testing.T) {
 	_ = f.Names()
 }
 
-func TestUint64Flag_SatisfiesFmtStringerInterface(t *testing.T) {
-	var f fmt.Stringer = &cli.Uint64Flag{}
-
-	_ = f.String()
-}
-
 func TestUint64Flag_SatisfiesRequiredFlagInterface(t *testing.T) {
 	var f cli.RequiredFlag = &cli.Uint64Flag{}
 
@@ -360,4 +354,10 @@ func TestUint64Flag_SatisfiesVisibleFlagInterface(t *testing.T) {
 	_ = f.IsVisible()
 }
 
+func TestUint64Flag_SatisfiesFmtStringerInterface(t *testing.T) {
+	var f fmt.Stringer = &cli.Uint64Flag{}
+
+	_ = f.String()
+}
+
 // vim:ro