import parquet.io.api.GroupConverter; //导入依赖的package包/类
@Override
public GroupConverter getRootConverter() {
  return root;
}
 

import parquet.io.api.GroupConverter; //导入依赖的package包/类
@Override
public GroupConverter getRootConverter()
{
    return groupConverter;
}
 

import parquet.io.api.GroupConverter; //导入依赖的package包/类
/**
 * Returns the root converter.
 *
 * @return The root converter
 */
@Override
public GroupConverter getRootConverter() {
  return root;
}
 

import parquet.io.api.GroupConverter; //导入依赖的package包/类
@Override public GroupConverter asGroupConverter() { return new DumpGroupConverter(); }