void (Collection<? super Pair<PsiElement, TextRange>> stringUsages, PsiNamedElement variable, PsiElement element) { if (element != variable && element instanceof PsiNameIdentifierOwner && !notSameFile(null, element.getContainingFile())) { final PsiElement identifier = ((PsiNameIdentifierOwner)element).getNameIdentifier(); if (identifier != null) { stringUsages.add(Pair.create(identifier, new TextRange(0, identifier.getTextLength()))); } } }