public Builder setSourceLang(java.lang.String value) {
if (value == null) {
throw new NullPointerException();
}
result.hasSourceLang = true;
result.sourceLang_ = value;
return this;
}
public Builder clearSourceLang() {
result.hasSourceLang = false;
result.sourceLang_ = getDefaultInstance().getSourceLang();
return this;
}