private org.apache.hadoop.conf.Configuration mirrorCertainHadoopConfig(
		org.apache.hadoop.conf.Configuration hadoopConfig) {
		for (String[] mirrored : mirroredConfigKeys) {
			String value = hadoopConfig.get(mirrored[0], null);
			if (value != null) {
				hadoopConfig.set(mirrored[1], value);
			}
		}
		return hadoopConfig;
	}
private org . apache . hadoop . conf . Configuration mirrorCertainHadoopConfig ( org . apache . hadoop . conf . Configuration hadoopConfig ) { for ( String [ ] mirrored : mirroredConfigKeys ) { String value = hadoopConfig . get ( mirrored [ 0 ] , null ) ; if ( value != null ) { hadoopConfig . set ( mirrored [ 1 ] , value ) ; } } return hadoopConfig ; }
with different keys