IntIndexToIndexMap implements IndexToIndexMap { @Override public String toString() { return "IntIndexToIndexMap{" + "elementCount=" + elementCount + '}'; } private  IntIndexToIndexMap(
            final int elementCount,
            @NotNull
            final Buffer elements); @NotNull static IndexToIndexMap from(
            @NotNull
            final Buffer buf); @Override int get(final int key); @Override int size(); @Override String toString();  }
@Test public void string() throws IOException { assertTrue(build().toString().contains(Integer.toString(VALUES))); }