private static boolean isCharConversion(PsiType expressionType, PsiType convertedType) {
    return PsiTypes.charType().equals(expressionType) && !PsiTypes.floatType().equals(convertedType) && !PsiTypes.doubleType()
      .equals(convertedType) ||
           PsiTypes.charType().equals(convertedType) && !PsiTypes.floatType().equals(expressionType) && !PsiTypes.doubleType()
             .equals(expressionType);
  }
private static boolean isCharConversion(PsiType expressionType, PsiType convertedType)