public static @Nullable PsiParameterList specifyLambdaParameterTypes(PsiLambdaExpression lambdaExpression) {
    return specifyLambdaParameterTypes(lambdaExpression.getFunctionalInterfaceType(), lambdaExpression);
  }
public static @Nullable PsiParameterList specifyLambdaParameterTypes(PsiLambdaExpression lambdaExpression)