public static boolean isNotFalse(final Boolean bool) {
        return !isFalse(bool);
    }
<p>Checks if a {@code Boolean} value is <i>not</i> {@code false},
handling {@code null} by returning {@code true}.</p>

<pre>
  BooleanUtils.isNotFalse(Boolean.TRUE)  = true
  BooleanUtils.isNotFalse(Boolean.FALSE) = false
  BooleanUtils.isNotFalse(null)          = true
</pre>

@param bool  the boolean to check, null returns {@code true}
@return {@code true} if the input is null or true
@since 2.3
fastexcel-core/src/main/java/cn/idev/excel/util/BooleanUtils.java