/*
 * Copyright 2016 the original author or authors.
 *
 * 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 org.gradle.caching.internal.tasks;

import org.gradle.api.internal.TaskOutputsInternal;
import org.gradle.caching.internal.tasks.origin.TaskOutputOriginReader;
import org.gradle.caching.internal.tasks.origin.TaskOutputOriginWriter;

import java.io.InputStream;
import java.io.OutputStream;

public interface TaskOutputPacker {
    // Initial format version
    // NOTE: This should be changed whenever we pack a cache entry, such as
    // - changing from gzip to bzip2.
    // - adding/removing properties to the origin metadata
    // - using a different format for the origin metadata
    // - any major changes of the layout of a cache entry
    int CACHE_ENTRY_FORMAT = 1;

    void pack(TaskOutputsInternal taskOutputs, OutputStream output, TaskOutputOriginWriter writeOrigin);

    void unpack(TaskOutputsInternal taskOutputs, InputStream input, TaskOutputOriginReader readOrigin);
}

@@ -1023,16 +1023,34 @@
 ever we 
+change the way we 
 pack a c

Add missing words to comment