question: public static String report ( ) { StringBuilder sb = new StringBuilder ( ) ; for ( Tap tap : dispatchesCopy ( ) ) { int length = sb . length ( ) ; tap . appendReport ( null , sb ) ; if ( sb . length ( ) > length ) { sb . append ( NEW_LINE ) ; } } String result = sb . toString ( ) ; LOG . debug ( "Tap Report" + NEW_LINE + NEW_LINE + result + NEW_LINE ) ; return result ; }
target:  Return a String containing a formatted report generated by traversing and appending results from all registered Taps. This method also logs the report in a human-readable format at DEBUG level.