// Copyright 2016 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.build.lib.exec;

import com.google.devtools.build.lib.actions.ActionInput;

/** Prefetches files to local disk. */
public interface ActionInputPrefetcher {
  public static final ActionInputPrefetcher NONE =
      new ActionInputPrefetcher() {
        @Override
        public void prefetchFile(ActionInput input) {
          // Do nothing.
        }
      };

  /**
   * Initiates best-effort prefetching of the given input. This should not block.
   *
   * <p>If the path is not under this prefetcher's control, the call should be a no-op.
   */
  void prefetchFile(ActionInput input);
}

@@ -921,33 +921,53 @@
 oid prefetchFile
-(
+s(Iterable%3C? extends 
 ActionInput inpu
@@ -957,24 +957,25 @@
  ActionInput
+%3E
  input) %7B%0A  
@@ -1065,19 +1065,19 @@
 hing of 
-the
+all
  given i
@@ -1080,16 +1080,17 @@
 en input
+s
 . This s
@@ -1123,23 +1123,21 @@
  %3Cp%3E
-If the
+For any
  path 
-is 
 not 
@@ -1222,17 +1222,37 @@
 etchFile
-(
+s(Iterable%3C? extends 
 ActionIn
@@ -1254,16 +1254,17 @@
 ionInput
+%3E
  input);

Change the ActionInputPrefetcher API to bulk.