public void putToConfiguration(java.lang.String key, java.lang.String val) {
    if (this.configuration == null) {
      this.configuration = new java.util.HashMap<java.lang.String,java.lang.String>();
    }
    this.configuration.put(key, val);
  }
Returns true if field attributes is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TColumnFamilyDescriptor.java