/*!
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
/**
 * For caller set custom span properties.
 */
declare type CustomConfig = {
    /**
     * span operation name, if null, using `${ClassName}/${methodName}`
     */
    operationName?: string;
    /**
     * span tags, key is Map.key;
     *
     * Map.value format as args[0] or args[0].$method() or args[0].field, calculate as string, for example:
     * 1. args[0].name().first
     * 2. args[0].time
     * 3. args[1].taskName()
     * 4. args[3]
     * 5. ...
     *
     * calculate error will be ignored.
     */
    tags?: Map<string, string>;
    /**
     * such as tags.
     */
    logs?: Map<string, string>;
    /**
     * span operation name suffix, join with '/' after operationName
     *
     * value format as tags Map.value
     */
    operationNameSuffix?: string[];
};
/**
 * Typescript Method Decorators for tracing customize method.
 *
 * @param config config of this
 * @returns Typescript Method Decorators
 */
export default function (config: CustomConfig | string | undefined): (target: Object, propertyKey: string, descriptor: PropertyDescriptor) => PropertyDescriptor;
export {};