//        searchName = Srl.substringFirstRear(classificationName, ".");
        //    } else {
        //        return null;
        //    }
        //}
        //try {
        //    return CDef.DefMeta.valueOf(searchName);
        //} catch (IllegalArgumentException ignored) { // not found
        //    return null; // handled later
        //}
    }

    @Override

        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Map<String, ?> userProperties, String key, boolean def) {
        return doGet(userProperties != null ? userProperties.get(key) : null, def);
    }

    private static boolean doGet(Object val, boolean def) {
        if (val instanceof Boolean) {

    /**
     * Retrieve a boolean value. If the property is not found, the value of <code>def</code> is returned.
     */
    public static boolean getBoolean ( Properties props, String key, boolean def ) {
        String b = props.getProperty(key);
        if ( b != null ) {
            def = b.toLowerCase().equals("true");
        }
        return def;
    }


    /**

    assertEquals(
        "getOrDefault(null, def) should return the default value",
        v3(),
        getMap().getOrDefault(null, v3()));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
  public void testGetOrDefault_nullAbsentAndUnsupported() {
    try {
      assertEquals(
          "getOrDefault(null, def) should return default or throw",
          v3(),

        Graph graph2 = new Graph();
        addEdge(graph2, "a", "b");
        addEdge(graph2, "b", "c");
        CycleDetectedException cde = assertThrows(CycleDetectedException.class, () -> addEdge(graph2, "c", "a"));
        List<String> cycle = cde.getCycle();
        assertNotNull(cycle, "Cycle should be not null");
        assertTrue(cycle.contains("a"), "Cycle contains 'a'");

    }

    public String getMimeType( String extension ) throws IOException {
        return getMimeType( extension, "application/octet-stream" );
    }
    public String getMimeType( String extension, String def ) throws IOException {
        int state, t, x, i, off;
        byte ch;
        byte[] type = new byte[128];
        byte[] buf = new byte[16];
        byte[] ext = extension.toLowerCase().getBytes( "ASCII" );