src/vs/workbench/contrib/terminal/browser/terminalInstanceService.ts/TerminalInstanceService/constructor
class TerminalInstanceService:	constructor(
		@IRemoteTerminalService private readonly _remoteTerminalService: IRemoteTerminalService,
		@IInstantiationService private readonly _instantiationService: IInstantiationService,
		@IContextKeyService private readonly _contextKeyService: IContextKeyService,
		@optional(ILocalTerminalService) localTerminalService: ILocalTerminalService
	) {
		super();
		this._localTerminalService = localTerminalService;
		this._terminalFocusContextKey = KEYBINDING_CONTEXT_TERMINAL_FOCUS.bindTo(this._contextKeyService);
		this._terminalShellTypeContextKey = KEYBINDING_CONTEXT_TERMINAL_SHELL_TYPE.bindTo(this._contextKeyService);
		this._terminalAltBufferActiveContextKey = KEYBINDING_CONTEXT_TERMINAL_ALT_BUFFER_ACTIVE.bindTo(this._contextKeyService);
		this._configHelper = _instantiationService.createInstance(TerminalConfigHelper);
	}