// syntax
syntax="proto3";

// package
package graph.info;

// root message
message Info {
    // before message
    message Before {}

    // before enum
    enum BeforeEnum {
        // before enum value
        BEFORE = 0;
    }

    // field
    map<string, string> field = 1;

    // middle message
    message Middle {
        // inner field
        bool inner = 1;
    }

    // other field
    repeated int32 other_field = 2;

    // after message
    message After {}

    // after enum
    enum AfterEnum {
        // after enum value
        AFTER = 0;
    }

    // oneof
    oneof OneOf {
        // oneof field
        After oneof_field = 3;
    }
}

// root enum comment
enum Enum {
    // root enum value
    ROOT = 0;
}

// service
service Service {
    // method
    rpc Method(Info) returns (Info);
}