Icon (@NotNull PsiExpression expression) { if (expression instanceof PsiReferenceExpression) { final PsiElement element = ((PsiReferenceExpression)expression).resolve(); if (element != null) { return element.getIcon(0); } } if (expression instanceof PsiMethodCallExpression) { return IconManager.getInstance().getPlatformIcon(com.intellij.ui.PlatformIcons.Method); } return null; }