---
title: "InstanceType | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Type Alias InstanceType<T>

InstanceType: [T](#t) extends abstract new (...args: any) \=> infer R ? R : any

Obtain the return type of a constructor function type

#### Type Parameters

-   T extends abstract new (...args: any) \=> any