StringConcatenation _builder = new StringConcatenation();
_builder.append("if (");
String _cacheFieldName = this.cacheFieldName();
_builder.append(_cacheFieldName, "");
_builder.append(" == null) {");
_builder.newLineIfNotEmpty();
_builder.append(" ");
_builder.append("synchronized(");
CharSequence _lock = this.lock();
_builder.append(_lock, " ");
_builder.append(") {");