/** * <code>optional .openxc.DiagnosticRequest request = 1;</code> */ private com.google.protobuf.SingleFieldBuilderV3< com.openxc.BinaryMessages.DiagnosticRequest, com.openxc.BinaryMessages.DiagnosticRequest.Builder, com.openxc.BinaryMessages.DiagnosticRequestOrBuilder> getRequestFieldBuilder() { if (requestBuilder_ == null) { requestBuilder_ = new com.google.protobuf.SingleFieldBuilderV3< com.openxc.BinaryMessages.DiagnosticRequest, com.openxc.BinaryMessages.DiagnosticRequest.Builder, com.openxc.BinaryMessages.DiagnosticRequestOrBuilder>( getRequest(), getParentForChildren(), isClean()); request_ = null; } return requestBuilder_; }