void (@NotNull PsiVariable variable) { if (isOnTheFly() && DeclarationSearchUtils.isTooExpensiveToSearch(variable, false)) { registerPossibleProblem(variable.getNameIdentifier()); return; } if (ignoreLocalVariables && variable instanceof PsiLocalVariable) { return; } if (ignorePrivateMethodsAndFields) { if (variable instanceof PsiField) { if (variable.hasModifierProperty(PsiModifier.PRIVATE)) { return; } } } if (variable instanceof PsiParameter parameter) { final PsiElement scope = parameter.getDeclarationScope(); if (scope instanceof PsiMethod method) { if (ignorePrivateMethodsAndFields) { if (method.hasModifierProperty(PsiModifier.PRIVATE)) { return; } } } else if (ignoreLocalVariables) { return; } } final PsiType type = variable.getType(); if (!CollectionUtils.isConcreteCollectionClass(type) || LibraryUtil.isOverrideOfLibraryMethodParameter(variable)) { return; } checkToWeaken(type, variable.getTypeElement(), variable); }