type Feature … const flagName … const allAlphaGate … const allBetaGate … var defaultFeatures … var specialFeatures … type FeatureSpec … type VersionedSpecs … func (g VersionedSpecs) Len() int { … } func (g VersionedSpecs) Less(i, j int) bool { … } func (g VersionedSpecs) Swap(i, j int) { … } type PromotionVersionMapping … type prerelease … const PreAlpha … const Alpha … const Beta … const GA … const Deprecated … type FeatureGate … type MutableFeatureGate … type MutableVersionedFeatureGate … type featureGate … func setUnsetAlphaGates(known map[Feature]VersionedSpecs, enabled map[Feature]bool, val bool, cVer *version.Version) { … } func setUnsetBetaGates(known map[Feature]VersionedSpecs, enabled map[Feature]bool, val bool, cVer *version.Version) { … } var _ … var internalPackages … // NewVersionedFeatureGate creates a feature gate with the emulation version set to the provided version. // SetEmulationVersion can be called after to change emulation version to a desired value. func NewVersionedFeatureGate(emulationVersion *version.Version) *featureGate { … } // NewFeatureGate creates a feature gate with the current binary version. func NewFeatureGate() *featureGate { … } // Set parses a string of the form "key1=value1,key2=value2,..." into a // map[string]bool of known keys or returns an error. func (f *featureGate) Set(value string) error { … } // Validate checks if the flag gates are valid at the emulated version. func (f *featureGate) Validate() []error { … } // unsafeSetFromMap stores flag gates for known features from a map[string]bool into an enabled map. func (f *featureGate) unsafeSetFromMap(enabled map[Feature]bool, m map[string]bool, emulationVersion *version.Version) []error { … } // SetFromMap stores flag gates for known features from a map[string]bool or returns an error func (f *featureGate) SetFromMap(m map[string]bool) error { … } // String returns a string containing all enabled feature gates, formatted as "key1=value1,key2=value2,...". func (f *featureGate) String() string { … } func (f *featureGate) Type() string { … } // Add adds features to the featureGate. func (f *featureGate) Add(features map[Feature]FeatureSpec) error { … } // AddVersioned adds versioned feature specs to the featureGate. func (f *featureGate) AddVersioned(features map[Feature]VersionedSpecs) error { … } func (f *featureGate) OverrideDefault(name Feature, override bool) error { … } func (f *featureGate) OverrideDefaultAtVersion(name Feature, override bool, ver *version.Version) error { … } // GetAll returns a copy of the map of known feature names to feature specs for the current emulationVersion. func (f *featureGate) GetAll() map[Feature]FeatureSpec { … } // GetAllVersioned returns a copy of the map of known feature names to versioned feature specs. func (f *featureGate) GetAllVersioned() map[Feature]VersionedSpecs { … } func (f *featureGate) SetEmulationVersion(emulationVersion *version.Version) error { … } func (f *featureGate) EmulationVersion() *version.Version { … } // featureSpec returns the featureSpec at the EmulationVersion if the key exists, an error otherwise. // This is useful to keep multiple implementations of a feature based on the PreRelease or Version info. func (f *featureGate) featureSpec(key Feature) (FeatureSpec, error) { … } func (f *featureGate) unsafeRecordQueried(key Feature) { … } func featureEnabled(key Feature, enabled map[Feature]bool, known map[Feature]VersionedSpecs, emulationVersion *version.Version) bool { … } // Enabled returns true if the key is enabled. If the key is not known, this call will panic. func (f *featureGate) Enabled(key Feature) bool { … } func (f *featureGate) featureSpecAtEmulationVersion(v VersionedSpecs) *FeatureSpec { … } func featureSpecAtEmulationVersion(v VersionedSpecs, emulationVersion *version.Version) *FeatureSpec { … } // Close sets closed to true, and prevents subsequent calls to Add func (f *featureGate) Close() { … } // AddFlag adds a flag for setting global feature gates to the specified FlagSet. func (f *featureGate) AddFlag(fs *pflag.FlagSet) { … } func (f *featureGate) AddMetrics() { … } // KnownFeatures returns a slice of strings describing the FeatureGate's known features. // preAlpha, Deprecated and GA features are hidden from the list. func (f *featureGate) KnownFeatures() []string { … } // DeepCopyAndReset copies all the registered features of the FeatureGate object, with all the known features and overrides, // and resets all the enabled status of the new feature gate. // This is useful for creating a new instance of feature gate without inheriting all the enabled configurations of the base feature gate. func (f *featureGate) DeepCopyAndReset() MutableVersionedFeatureGate { … } // DeepCopy returns a deep copy of the FeatureGate object, such that gates can be // set on the copy without mutating the original. This is useful for validating // config against potential feature gate changes before committing those changes. func (f *featureGate) DeepCopy() MutableVersionedFeatureGate { … } // ExplicitlySet returns true if the feature value is explicitly set instead of // being derived from the default values or special features. func (f *featureGate) ExplicitlySet(name Feature) bool { … } // ResetFeatureValueToDefault resets the value of the feature back to the default value. func (f *featureGate) ResetFeatureValueToDefault(name Feature) error { … }
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