src/vs/workbench/browser/parts/editor/editorPlaceholder.ts/EditorPlaceholder/setInput
class EditorPlaceholder:	override async setInput(input: EditorInput, options: IEditorOptions | undefined, context: IEditorOpenContext, token: CancellationToken): Promise<void> {
		await super.setInput(input, options, context, token);

		// Check for cancellation
		if (token.isCancellationRequested) {
			return;
		}

		// Render Input
		this.inputDisposable.value = await this.renderInput(input, options);
	}