PsiExpression[] (@NotNull PsiElement element) { PsiPolyadicExpression polyadicExpression = ObjectUtils.tryCast(element, PsiPolyadicExpression.class); if (polyadicExpression != null) return polyadicExpression.getOperands(); PsiLiteralExpression operand = (PsiLiteralExpression)element; assertFalse(operand.isTextBlock()); return new PsiExpression[]{operand}; }