Missing accumulator operator $median in definition

[eherve]

Prerequisites

• I have written a descriptive issue title
• I have searched existing issues to ensure the bug has not already been reported

Mongoose version

8.9.5

Node.js version

20.11.1

MongoDB server version

8

Typescript version (if applicable)

5.6.3

Description

I'm trying to calculate median from metrics, but the AccumulatorOperator does not declare $median operator. I have a unknown property error on my $group pipeline.

Steps to Reproduce

mode.aggregate([ { $group: { _id: null, median: { $median: { input: '$value', method: 'approximate' } }, } } ])
ERROR : Object literal may only specify known properties, and '$median' does not exist in type 'AccumulatorOperator'.

Expected Behavior

No response

[eherve]

mongodb documentation:
https://www.mongodb.com/docs/v7.0/reference/operator/aggregation/median/