private IndexWriterConfig NewWriterConfig()
{
IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, null);
conf.SetMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
conf.SetRAMBufferSizeMB(IndexWriterConfig.DEFAULT_RAM_BUFFER_SIZE_MB);
// prevent any merges by default.
conf.SetMergePolicy(NoMergePolicy.COMPOUND_FILES);
return(conf);
}