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

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

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

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

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

import org.apache.lucene.codecs.NormsFormat; //导入依赖的package包/类
@Override
public NormsFormat normsFormat() {
  return norms;
}
 

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

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