private static String createInitializerReplacementText( PsiType varType, PsiExpression initializer) { final PsiType initializerType = initializer.getType(); final PsiClassType rawType = initializerType instanceof PsiClassType ? ((PsiClassType) initializerType).rawType() : null; final PsiClassType rawVarType = varType instanceof PsiClassType ? ((PsiClassType) varType).rawType() : null; if (rawType != null && rawVarType != null && rawType.equalsToText(CommonClassNames.JAVA_UTIL_ARRAY_LIST) && rawVarType.equalsToText(CommonClassNames.JAVA_UTIL_LIST)) { return "toList()"; } else if (rawType != null && rawVarType != null && rawType.equalsToText(CommonClassNames.JAVA_UTIL_HASH_SET) && rawVarType.equalsToText(CommonClassNames.JAVA_UTIL_SET)) { return "toSet()"; } else if (rawType != null) { return "toCollection(" + rawType.getClassName() + "::new)"; } else { return "toCollection(() -> " + initializer.getText() + ")"; } }