public ApiDocRegisterDTOBuilder httpMethod(final Integer httpMethod) {
            this.httpMethod = httpMethod;
            return this;
        }
build httpMethod.
@param httpMethod httpMethod
@return ApiDocRegisterDTOBuilder
shenyu-register-center/shenyu-register-common/src/main/java/org/apache/shenyu/register/common/dto/ApiDocRegisterDTO.java