private static String toUpperMethoName(final String methodName) {
        return methodName.substring(0, 1).toUpperCase() + methodName.substring(1);
    }
try to generate methodParameterClass.

@param clazz              interface class
@param method             invoke method
@param parameterClassName generated parameterClassName
@return Class<?> generated methodParameterClass
shenyu-client/shenyu-client-dubbo/shenyu-client-apache-dubbo/src/main/java/org/apache/shenyu/client/apache/dubbo/validation/ApacheDubboClientValidator.java