import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
@Override
public SegmentInfoFormat segmentInfoFormat() {
  if (LuceneTestCase.OLD_FORMAT_IMPERSONATION_IS_ACTIVE) {
    return segmentInfos ;
  } else {
    return super.segmentInfoFormat();
  }
}
 

import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
@Override
public SegmentInfoFormat segmentInfoFormat() {
  if (LuceneTestCase.PREFLEX_IMPERSONATION_IS_ACTIVE) {
    return segmentInfos ;
  } else {
    return super.segmentInfoFormat();
  }
}
 

import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
@Override
public SegmentInfoFormat segmentInfoFormat() {
  return infosFormat;
}
 

import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
@Override
public final SegmentInfoFormat segmentInfoFormat() {
  return segmentInfosFormat;
}
 

import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
@Override
public SegmentInfoFormat segmentInfoFormat() {
  return segmentInfos;
}
 

import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
@Override
public SegmentInfoFormat segmentInfoFormat() {
  return new CrankySegmentInfoFormat(delegate.segmentInfoFormat(), random);
}
 

import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
CrankySegmentInfoFormat(SegmentInfoFormat delegate, Random random) {
  this.delegate = delegate;
  this.random = random;
}
 

import org.apache.lucene.codecs.SegmentInfoFormat; //导入依赖的package包/类
@Override
public final SegmentInfoFormat segmentInfoFormat() {
  return infosFormat;
}