code: @SuppressWarnings("unchecked")
  	@Override
  	public T contains(final String col, final CharSequence searchValue) {
  		Dialect dialect = agent().getSqlConfig().getDialect();
  		String escaped = dialect.escapeLikePattern(searchValue);
  		context().param(CaseFormat.CAMEL_CASE.convert(col), new Like(col, true, escaped, true))
  				.param(PARAM_KEY_ESCAPE_CHAR, dialect.getEscapeChar());
  		this.useOperator = true;
  		return (T) this;
  	}
docs: {@inheritDoc}
  
  @see jp.co.future.uroborosql.fluent.ExtractionCondition#contains(java.lang.String, java.lang.CharSequence)