default void operation(final DocumentContext context, final ParamMappingRuleHandle paramMappingRuleHandle) {
        if (!CollectionUtils.isEmpty(paramMappingRuleHandle.getAddParameterKeys())) {
            paramMappingRuleHandle.getAddParameterKeys().forEach(info -> context.put(info.getPath(), info.getKey(), info.getValue()));
        }
    }
Operation.

@param context            context
@param paramMappingRuleHandle handle
shenyu-plugin/shenyu-plugin-param-mapping/src/main/java/org/apache/shenyu/plugin/param/mapping/strategy/Operator.java