src/vs/workbench/api/browser/mainThreadTerminalService.ts/MainThreadTerminalService/$show
class MainThreadTerminalService:	public async $show(id: ExtHostTerminalIdentifier, preserveFocus: boolean): Promise<void> {
		const terminalInstance = await this._getTerminalInstance(id);
		if (terminalInstance) {
			this._terminalService.setActiveInstance(terminalInstance);
			if (terminalInstance.target === TerminalLocation.Editor) {
				this._terminalEditorService.revealActiveEditor(preserveFocus);
			} else {
				this._terminalGroupService.showPanel(!preserveFocus);
			}
		}
	}