public boolean atLeastOneMatchOccured() {
        return atLeastOneMatchOccured;
    }
Check if the specified text is matching some conversions rules. 
If a rule matches, ask for line replacement.

<p>In case no rule can be applied, then the input text is
returned without change.

@param text
@return String
slf4j-migrator/src/main/java/org/slf4j/migrator/line/LineConverter.java