public Dependencies build() {
        return dependencies;
    }
@Test
    void testBuildDependencies() {
        DependenciesBuilder dependenciesBuilder = new DependenciesBuilder(parse(
                "<searcher provides='symbol1  symbol2 ' before='p1' after=' s1' >",
                "  <provides> symbol3 </provides>",
                "  <provides> symbol4 </provides>",
                "  <before> p2 </before>",
                "  <after>s2</after>",
                "</searcher>"));

        Dependencies dependencies = dependenciesBuilder.build();

        assertEquals(dependencies.provides(),
                set("symbol1,symbol2,symbol3,symbol4"));

        assertEquals(dependencies.before(),
                set("p1,p2"));

        assertEquals(dependencies.after(),
                set("s1,s2"));
    }