src/vs/workbench/contrib/terminal/browser/terminalInstance.ts/TerminalInstance/registerLinkProvider
class TerminalInstance:	registerLinkProvider(provider: ITerminalExternalLinkProvider): IDisposable {
		if (!this._linkManager) {
			throw new Error('TerminalInstance.registerLinkProvider before link manager was ready');
		}
		return this._linkManager.registerExternalLinkProvider(this, provider);
	}