import { NonConceptEntity } from './non-verbal-entity.js';
import type { NonConceptEntityJson } from './non-verbal-entity.js';
export interface SharedNonVerbalEntityJson extends NonConceptEntityJson {
    id?: string | null;
    identifier?: string | null;
}
/**
 * SharedNonVerbalEntity — a NonConceptEntity with stable identity
 * (id/identifier). Figure/Table/Formula extend this.
 *
 * @deprecated This class will be merged into NonConceptEntity in a
 * future release. New code should extend NonConceptEntity directly.
 */
export declare class SharedNonVerbalEntity extends NonConceptEntity {
    readonly id: string | null;
    readonly identifier: string | null;
    constructor(data?: SharedNonVerbalEntityJson);
    findById(targetId: string): this | null;
    allIds(): string[];
    toJSON(): SharedNonVerbalEntityJson;
    static fromJSON(data: SharedNonVerbalEntityJson): SharedNonVerbalEntity;
}
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