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There is a newer version: 2024.11.18751.20241128T090041Z-241100

/**
 * Copyright (c) 2012-2015 Edgar Espina
 *
 * This file is part of Handlebars.java.
 *
 * Licensed 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.
 */
package com.github.jknack.handlebars;

import java.io.IOException;

/**
 *  Handlebars helpers can be accessed from any context in a template. You can
 *  register a helper with the {@link Handlebars#registerHelper(String, Helper)}
 *  method.
 *
 *  @author edgar.espina
 *  @param  The context object.
 *  @since 0.1.0
 *
 * @deprecated com.github.jknack.handlebars package is deprecated and marked for removal in subsequent releases which will involve removal of the handlebars dependency in AEM.
 */
@Deprecated(since = "2024-07-10")
public interface Helper {

    /**
     * Apply the helper to the context.
     *
     * @param context The context object.
     * @param options The options object.
     * @return A string result.
     * @throws IOException If a template cannot be loaded.
     */
    Object apply(T context, Options options) throws IOException;
}