export interface WorkOfficeCollaborationFlatJsonMap {
    delete(key: string): unknown;
    entries(): IterableIterator<[string, unknown]>;
    get(key: string): unknown;
    set(key: string, value: unknown): unknown;
}
export type InvalidWorkOfficeCollaborationSharedValue = (label: string) => never;
/**
 * Recursively stores object leaves in a stable Y.Map. Arrays stay atomic
 * because their positional semantics belong to each format-specific model.
 */
export declare function patchWorkOfficeCollaborationFlatJsonMap(target: WorkOfficeCollaborationFlatJsonMap, previous: Record<string, unknown> | undefined, next: Record<string, unknown> | undefined, label: string): void;
export declare function readWorkOfficeCollaborationFlatJsonMap(target: WorkOfficeCollaborationFlatJsonMap, label: string, invalidShared: InvalidWorkOfficeCollaborationSharedValue): Record<string, unknown>;