public static void assertSketchContains(Sketch<?> sketch, Integer... values) {
        if (sketch instanceof SparseSketch) {
            assertSparseSketchContains((SparseSketch) sketch, values);
        } else {
            assertNormalSketchContains((NormalSketch) sketch, values);
        }
    }
Utility class for creating sketches and comparing their content.

@author bjorncs
searchlib/src/test/java/com/yahoo/searchlib/aggregation/hll/SketchUtils.java