kubernetes/test/e2e/framework/config/config.go

var Flags …

// CopyFlags ensures that all flags that are defined in the source flag
// set appear in the target flag set as if they had been defined there
// directly. From the flag package it inherits the behavior that there
// is a panic if the target already contains a flag from the source.
func CopyFlags(source *flag.FlagSet, target *flag.FlagSet) { … }

// AddOptions analyzes the options value and creates the necessary
// flags to populate it.
//
// The prefix can be used to root the options deeper in the overall
// set of options, with a dot separating different levels.
//
// The function always returns true, to enable this simplified
// registration of options:
// _ = AddOptions(...)
//
// It panics when it encounters an error, like unsupported types
// or option name conflicts.
func AddOptions(options interface{ … }

// AddOptionsToSet is the same as AddOption, except that it allows choosing the flag set.
func AddOptionsToSet(flags *flag.FlagSet, options interface{ … }

func addStructFields(flags *flag.FlagSet, structType reflect.Type, structValue reflect.Value, prefix string) { … }

// parseDefault is necessary because "flag" wants the default in the
// actual type and cannot take a string. It would be nice to reuse the
// existing code for parsing from the "flag" package, but it isn't
// exported.
func parseDefault(value interface{ … }