src/vs/workbench/contrib/terminal/browser/terminalService.ts/TerminalService/registerProcessSupport
class TerminalService:	registerProcessSupport(isSupported: boolean): void {
		if (!isSupported) {
			return;
		}
		this._processSupportContextKey.set(isSupported);
		this._onDidRegisterProcessSupport.fire();
	}