import { Plugin } from '@tiptap/pm/state';
export interface WorkDocumentImageIdentity {
    objectId: string;
    docPropertiesId: number;
    anchorId: string;
    editId: string;
}
export interface WorkDocumentImageIdentitySource {
    objectId?: unknown;
    docPropertiesId?: unknown;
    anchorId?: unknown;
    editId?: unknown;
}
export interface WorkDocumentImageIdentityRegistry {
    objectIds: Set<string>;
    docPropertiesIds: Set<number>;
    anchorIds: Set<string>;
}
export declare function createDocumentImageIdentityRegistry(): WorkDocumentImageIdentityRegistry;
export declare function normalizeDocumentImageObjectId(value: unknown): string | null;
export declare function normalizeDocumentImageDocPropertiesId(value: unknown): number | null;
export declare function normalizeDocumentImageAnchorId(value: unknown): string | null;
export declare function normalizeDocumentImageEditId(value: unknown): string | null;
export declare function normalizeDocumentImageIdentity(source: WorkDocumentImageIdentitySource): WorkDocumentImageIdentity | null;
export declare function createDocumentImageIdentity(): WorkDocumentImageIdentity;
export declare function uniqueDocumentImageIdentity(source: WorkDocumentImageIdentitySource, registry: WorkDocumentImageIdentityRegistry): WorkDocumentImageIdentity;
export declare function documentImageIdentityFromAttributes(attributes: Record<string, unknown>): WorkDocumentImageIdentity | null;
export declare function documentImageIdentityFromElement(element: Element): WorkDocumentImageIdentity;
export declare function applyDocumentImageIdentityToElement(element: Element, source: WorkDocumentImageIdentitySource): WorkDocumentImageIdentity;
export declare function createDocumentImageIdentityPlugin(imageNodeName?: string): Plugin;