public void setMStringString(@org.apache.thrift.annotation.Nullable java.util.Map<java.lang.String,java.lang.String> mStringString) {
    this.mStringString = mStringString;
  }
Returns true if field lintString is set (has been assigned a value) and false otherwise
serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde2/thrift/test/Complex.java