core/src/main/java/com/twitter/elephantbird/util/ThriftToDynamicProto.java
private Message.Builder mapEntryProtoBuilder(TStructDescriptor descriptor, Field field) {
    return messageBuilderMap.get(mapProtoMessageType(descriptor, field)).clone();
  }
private Message.Builder mapEntryProtoBuilder(TStructDescriptor descriptor, Field field) {
    return messageBuilderMap.get(mapProtoMessageType(descriptor, field)).clone();
  }
private Message . Builder mapEntryProtoBuilder ( TStructDescriptor descriptor , Field field ) { return messageBuilderMap . get ( mapProtoMessageType ( descriptor , field ) ) . clone ( ) ; }
Return Protobufs builder for a Map field
Return Protobufs builder for a Map field