void (int start11, int start12, int end11, int end12, int start21, int start22, int end21, int end22) { if (start11 == start21 && end11 == end21) { matchComplexRangeLeft(start11, end11, start12, end12, start22, end22); } else if (start12 == start22 && end12 == end22) { matchComplexRangeRight(start12, end12, start11, end11, start21, end21); } else { throw new IllegalStateException(); } }