src/vs/workbench/services/extensions/common/extensionHostManager.ts/ExtensionHostManager/setRemoteEnvironment
class ExtensionHostManager:	public async setRemoteEnvironment(env: { [key: string]: string | null }): Promise<void> {
		const proxy = await this._proxy;
		if (!proxy) {
			return;
		}

		return proxy.setRemoteEnvironment(env);
	}