void (Set<ConstraintFormula> additionalConstraints, Set<ConstraintFormula> ignoredConstraints, PsiLambdaExpression lambdaExpression, PsiType parameterType, boolean addConstraint, PsiSubstitutor initialSubstitutor) { final PsiType interfaceReturnType = LambdaUtil.getFunctionalInterfaceReturnType(parameterType); if (interfaceReturnType != null && (!PsiTypes.voidType().equals(interfaceReturnType) || !addConstraint)) { final List<PsiExpression> returnExpressions = LambdaUtil.getReturnExpressions(lambdaExpression); for (PsiExpression returnExpression : returnExpressions) { processReturnExpression(additionalConstraints, ignoredConstraints, returnExpression, interfaceReturnType, addConstraint, initialSubstitutor); } } }