    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements.  See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache License, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License.  You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the License for the specific language governing permissions and
    015     * limitations under the License.
    016     */
    017    package org.apache.commons.jexl2;
    018
    019    /**
    020     * Interface for objects carrying information usefull to debugging.
    021     * @since 1.0
    022     */
    023    public interface JexlInfo {
    024        /**
    025         * Formats this information for debugging purpose.
    026         * @return a human readable string.
    027         */
    028        String debugString();
    029        /**
    030         * Gets the underlying debugging information.
    031         * @return a debug info instance
    032         * @since 2.1
    033         */
    034        DebugInfo debugInfo();
    035    }