src/vs/workbench/contrib/tasks/browser/terminalTaskSystem.ts/TerminalTaskSystem/taskShellIntegrationStartSequence
class TerminalTaskSystem:	get taskShellIntegrationStartSequence(): string {
		return this._configurationService.getValue(TaskSettingId.ShowDecorations) ? VSCodeSequence(VSCodeOscPt.PromptStart) + VSCodeSequence(VSCodeOscPt.Property, `${VSCodeOscProperty.Task}=True`) + VSCodeSequence(VSCodeOscPt.CommandStart) : '';
	}