void (@NotNull PsiMethodReferenceExpression expression) { String tokenFeature; if (Registry.is("similarity.find.usages.fast.clustering")) { final PsiElement referenceNameElement = expression.getReferenceNameElement(); tokenFeature = "{CALL: " + (referenceNameElement != null ? referenceNameElement.getText() : null) + "}"; } else { tokenFeature = viaResolve(expression); } if (tokenFeature != null) { myUsageSimilarityFeaturesRecorder.addAllFeatures(expression, tokenFeature); } super.visitMethodReferenceExpression(expression); }