//% descriptor: true
syntax = "proto3";

package test;

import "google/protobuf/descriptor.proto";

message M {
    extensions 1;
}

extend M {
    int32 x = 1;
}

extend google.protobuf.FileOptions {
    repeated int32 a = 1000;
}

extend google.protobuf.MessageOptions {
    repeated int32 b = 1000;
}

extend google.protobuf.FieldOptions {
    repeated int32 c = 1000;
}

extend google.protobuf.OneofOptions {
    repeated int32 d = 1000;
}

extend google.protobuf.EnumOptions {
    repeated int32 e = 1000;
}

extend google.protobuf.EnumValueOptions {
    repeated int32 f = 1000;
}

extend google.protobuf.ExtensionRangeOptions {
    repeated int32 g = 1000;
}

extend google.protobuf.ServiceOptions {
    repeated int32 h = 1000;
}

extend google.protobuf.MethodOptions {
    repeated int32 i = 1000;
    optional string j = 1001;
}