/*
 * Copyright 2016-present Facebook, Inc.
 *
 * 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.facebook.buck.jvm.java;

import com.facebook.buck.util.immutables.BuckStyleImmutable;
import com.google.common.collect.ImmutableSortedSet;
import java.nio.file.Path;
import java.util.Optional;
import java.util.function.Predicate;
import org.immutables.value.Value;

@Value.Immutable
@BuckStyleImmutable
abstract class AbstractJarParameters {
  public abstract Path getJarPath();

  @Value.Default
  public Predicate<Object> getRemoveEntryPredicate() {
    return RemoveClassesPatternsMatcher.EMPTY;
  }

  public abstract ImmutableSortedSet<Path> getEntriesToJar();

  public abstract Optional<String> getMainClass();

  public abstract Optional<Path> getManifestFile();
}

@@ -1177,39 +1177,47 @@
 ToJar();%0A%0A  
-public abstract
+@Value.Default%0A  public
  Optional%3CSt
@@ -1240,61 +1240,137 @@
 ss()
-;%0A%0A  public abstract Optional%3CPath%3E getManifestFile();
+ %7B%0A    return Optional.empty();%0A  %7D%0A%0A  @Value.Default%0A  public Optional%3CPath%3E getManifestFile() %7B%0A    return Optional.empty();%0A  %7D
 %0A%7D%0A

Set sane defaults