001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.descriptors;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.ReadOnly;
021    import org.jetbrains.jet.lang.resolve.name.FqName;
022    
023    import java.util.Collection;
024    import java.util.List;
025    
026    public interface PackageFragmentProvider {
027        @NotNull
028        @ReadOnly
029        List<PackageFragmentDescriptor> getPackageFragments(@NotNull FqName fqName);
030    
031        /**
032         * @return declared subpackages of {@code fqName}
033         */
034        @NotNull
035        @ReadOnly
036        Collection<FqName> getSubPackagesOf(@NotNull FqName fqName);
037    }