public Builder mergeFrom(org.apache.hadoop.hdfs.protocol.proto.AliasMapProtocolProtos.ReadRequestProto other) { if (other == org.apache.hadoop.hdfs.protocol.proto.AliasMapProtocolProtos.ReadRequestProto.getDefaultInstance()) return this; if (other.hasKey()) { mergeKey(other.getKey()); } this.mergeUnknownFields(other.getUnknownFields()); return this; }