public StringClauses insertAfter(String existingKey, String newValue) {
        return insertAfter(existingKey, newValue, StringUtil.trimToEmpty(newValue));
    }
public StringClauses insertAfter(String existingKey, String newValue) {
        return insertAfter(existingKey, newValue, StringUtil.trimToEmpty(newValue));
    }
public StringClauses insertAfter ( String existingKey , String newValue ) { return insertAfter ( existingKey , newValue , StringUtil . trimToEmpty ( newValue ) ) ; }
Convenience method for {@link #insertAfter(String, String, String)} using the newValue as the newKey.
Convenience method for {