src/vs/workbench/api/common/extHostCustomEditors.ts/ExtHostCustomEditors/$redo
class ExtHostCustomEditors:	async $redo(resourceComponents: UriComponents, viewType: string, editId: number, isDirty: boolean): Promise<void> {
		const entry = this.getCustomDocumentEntry(viewType, resourceComponents);
		return entry.redo(editId, isDirty);
	}