### Description Keep an eye out for how we can improve the usability, specifically using the following feature: https://github.com/Microsoft/TypeScript/pull/23893. ### Requirements (place an `x` in each of the `[ ]`) * [x] I've read and understood the [Contributing guidelines](https://github.com/slackapi/node-slack-sdk/blob/master/.github/contributing.md) and have done my best effort to follow them. * [x] I've read and agree to the [Code of Conduct](https://slackhq.github.io/code-of-conduct). * [x] I've searched for any related issues and avoided creating a duplicate issue.
Description
Keep an eye out for how we can improve the usability, specifically using the following feature: microsoft/TypeScript#23893.
Requirements (place an
xin each of the[ ])