private com.google.protobuf.RepeatedFieldBuilderV3< com.google.cloud.speech.v1.WordInfo, com.google.cloud.speech.v1.WordInfo.Builder, com.google.cloud.speech.v1.WordInfoOrBuilder> getWordsFieldBuilder() { if (wordsBuilder_ == null) { wordsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3< com.google.cloud.speech.v1.WordInfo, com.google.cloud.speech.v1.WordInfo.Builder, com.google.cloud.speech.v1.WordInfoOrBuilder>( words_, ((bitField0_ & 0x00000004) == 0x00000004), getParentForChildren(), isClean()); words_ = null; } return wordsBuilder_; }