src/vs/platform/terminal/common/xterm/shellIntegrationAddon.ts/ShellIntegrationAddon/_createOrGetCwdDetection
class ShellIntegrationAddon:	protected _createOrGetCwdDetection(): ICwdDetectionCapability {
		let cwdDetection = this.capabilities.get(TerminalCapability.CwdDetection);
		if (!cwdDetection) {
			cwdDetection = new CwdDetectionCapability();
			this.capabilities.add(TerminalCapability.CwdDetection, cwdDetection);
		}
		return cwdDetection;
	}