@Override
            public MultipartFile parseLiteral(Object input) throws CoercingParseLiteralException {
                throw new CoercingParseLiteralException("Must use variables to specify MultipartFile values");
            }
A multipart-file scalar that converts a file path string into a
{@link com.linecorp.armeria.common.multipart.MultipartFile}.
graphql/src/main/java/com/linecorp/armeria/common/graphql/scalar/MultipartFileScalar.java