export declare const INSERTION_POINT_FILLER = "\u200B";
export declare function trimInsertionPointFiller(value: string): string;
export declare function createInsertionPoint(document: Document): HTMLSpanElement;
export declare function isInsertionPoint(node: Node | null): boolean;
export declare function queryInsertionPoints(element: Element): Node[];
export declare function removeInsertionPointIfStale(node: Node): void;