question: public static List < TestDiagnosticLine > readDiagnosticLines ( Iterable < File > toRead , boolean omitEmptyDiagnostics ) { List < TestDiagnosticLine > lines = new ArrayList < > ( ) ; for ( File file : toRead ) { lines . addAll ( readDiagnostics ( file , omitEmptyDiagnostics ) ) ; } return lines ; }
target:  Reads diagnostic lines from the comments of a set of Java file.