extensions/git/src/ipc/ipcClient.ts/IPCClient/constructor
class IPCClient:	constructor(private handlerName: string) {
		const ipcHandlePath = process.env['VSCODE_GIT_IPC_HANDLE'];

		if (!ipcHandlePath) {
			throw new Error('Missing VSCODE_GIT_IPC_HANDLE');
		}

		this.ipcHandlePath = ipcHandlePath;
	}