assert libraryEntry != null : "entry for jar ${jar} not found, found entries: ${iml.dependencies.libraries.collect({it.jarName})}"
        libraryEntry.assertHasSource(sources)
        libraryEntry.assertHasJavadoc(javadocs)
    }

    @Override
    void ideFileContainsGradleApi(String apiJarPrefix) {
        def libraryEntry = findApiLibrary(apiJarPrefix)
        assert libraryEntry.source.empty
    }

        }

        void assertHasSource(List<String> filenames) {
            assert source.collect { it.replaceFirst('!/$', '').split('/').last() } == filenames
        }

        void assertHasJavadoc(List<String> filenames) {
            assert javadoc.collect { it.replaceFirst('!/$', '').split('/').last() } == filenames
        }

        void assertHasNoJavadoc() {
            assert javadoc.empty

        }

        String getJavadocLocation() {
            assert entry.attributes
            entry.attributes[0].find { it.@name == 'javadoc_location' }.@value
        }

        void assertHasJavadoc(File file) {
            assert entry.attributes
            assert entry.attributes[0].attribute[0].@name == 'javadoc_location'
            assert entry.attributes[0].attribute[0].@value == jarUrl(file)
        }

        libraries[0].assertHasSource('REPO_DIR/coolGroup/niceArtifact/1.0/niceArtifact-1.0-sources.jar')
        libraries[1].assertHasJar('LIB_DIR/dep.jar')

        //javadoc is not substituted
        libraries[0].assertHasJavadoc(file("maven-repo/coolGroup/niceArtifact/1.0/niceArtifact-1.0-javadoc.jar"))
    }

    @Test
    @ToBeFixedForConfigurationCache
    void canCustomizeTheClasspathModel() {
        //when