@SuppressWarnings("unchecked")
  @Nullable
  static PsiType getTypeFromCalculators(@NotNull GrExpression expression) {
    for (GrTypeCalculator<?> calculator : EP.forKey(expression.getClass())) {
      PsiType type = ((GrTypeCalculator<GrExpression>)calculator).getType(expression);
      if (type != null) return type;
    }
    return null;
  }
@SuppressWarnings("unchecked")
  @Nullable
  static PsiType getTypeFromCalculators(@NotNull GrExpression expression)