const google.golang.org/protobuf/internal/genid.ExtensionRangeOptions_Declaration_FullName_field_fullname

one use

	google.golang.org/protobuf/internal/genid (current package)
		descriptor_gen.go#L253: 	ExtensionRangeOptions_Declaration_FullName_field_fullname protoreflect.FullName = "google.protobuf.ExtensionRangeOptions.Declaration.full_name"