public static boolean isNotBlank(final CharSequence cs) {
		return !isBlank(cs);
	}
<p>
Checks if a CharSequence is not empty (""), not null and not whitespace only.
</p>

<p>
Whitespace is defined by {@link Character#isWhitespace(char)}.
</p>

<pre>
StringUtils.isNotBlank(null)      = false
StringUtils.isNotBlank("")        = false
StringUtils.isNotBlank(" ")       = false
StringUtils.isNotBlank("bob")     = true
StringUtils.isNotBlank("  bob  ") = true
</pre>
@param cs the CharSequence to check, may be null
@return {@code true} if the CharSequence is not empty and not null and not
whitespace only
@since 2.0
@since 3.0 Changed signature from isNotBlank(String) to isNotBlank(CharSequence)
spring-cloud-alibaba-starters/spring-alibaba-nacos-config/src/main/java/com/alibaba/cloud/nacos/utils/StringUtils.java