void (PsiExpression expression, PsiType expectedTypeByParent) { expression = deparenthesizeExpression(expression); if (expression instanceof PsiTypeCastExpression) { PsiExpression operand = getInnerMostOperand(expression); if (operand != null) { PsiType opType = operand.getType(); if (opType != null) { addIfNarrowing((PsiTypeCastExpression)expression, opType, expectedTypeByParent); } } } }