assertEquals("EMP", StringUtil.decamelize("Emp"));
        assertEquals("AAA_BBB", StringUtil.decamelize("aaaBbb"));
        assertEquals("AAA_BBB", StringUtil.decamelize("AaaBbb"));
        assertEquals("AAA_BBB_C", StringUtil.decamelize("aaaBbbC"));
        assertEquals("USER_ID", StringUtil.decamelize("UserId"));
    }

    /**
     * @throws Exception
     */
    @Test

        assertNull(paramMap.get("xxx"));
        assertEquals("111", paramMap.get("aaa"));
        assertEquals("222", paramMap.get("aaa_bbb"));
        assertEquals("222", paramMap.get("aaaBbb"));
        assertEquals("222", paramMap.get("AaaBbb"));
        assertNull(paramMap.get("aaabbb"));
        assertEquals("333", paramMap.get("aaa_bbb_ccc"));
        assertEquals("333", paramMap.get("aaaBbbCcc"));

ool\":{\"should\":[{\"match_phrase\":{\"title\":{\"query\":\"aaa:bbb\",\"slop\":0,\"zero_terms_query\":\"NONE\",\"boost\":0.5}}},{\"match_phrase\":{\"content\":{\"query\":\"aaa:bbb\",\"slop\":0,\"zero_terms_query\":\"NONE\",\"boost\":0.05}}},{\"fuzzy\":{\"title\":{\"value\":\"aaa:bbb\",\"fuzziness\":\"AUTO\",\"prefix_length\":0,\"max_expansions\":10,\"transpositions\":true,\"boost\":0.01}}},{\"fuzzy\":{\"content\":{\"value\":\"aaa:bbb\",\"fuzziness\":\"AUTO\",\"prefix_length\":0,\"max_expansions...

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