ReadonlyEXPLICITRepresents the EXPLICIT protobuf enum value.
ReadonlyFIELD_Represents the FIELD_PRESENCE_UNKNOWN protobuf enum value.
ReadonlyIMPLICITRepresents the IMPLICIT protobuf enum value.
ReadonlyLEGACY_Represents the LEGACY_REQUIRED protobuf enum value.
Defines the static values of FeatureSet_FieldPresence.