boolean areCorrespond(PsiElement patternDeclaration, PsiElement matchDeclaration) {
    if (matchDeclaration == null || patternDeclaration == null) return false;
    PsiElement originalValue = myDeclarationCorrespondence.get(patternDeclaration);
    return originalValue == null || originalValue == matchDeclaration;
  }
boolean areCorrespond(PsiElement patternDeclaration, PsiElement matchDeclaration)