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

one use

	google.golang.org/protobuf/internal/genid (current package)
		descriptor_gen.go#L451: 	FileOptions_PhpClassPrefix_field_fullname            protoreflect.FullName = "google.protobuf.FileOptions.php_class_prefix"