import { RegistrableModel } from './registrable.js';
import { ConceptSource } from './concept-source.js';
import type { ConceptSourceJson } from './concept-source.js';
export interface NonConceptEntityJson {
    caption?: string | null;
    description?: string | null;
    alt?: string | null;
    sources?: ReadonlyArray<ConceptSourceJson | ConceptSource>;
    type?: string | null;
}
/** @deprecated Use NonConceptEntityJson. Kept for backward compat. */
export type NonVerbalEntityJson = NonConceptEntityJson;
export declare class NonConceptEntity extends RegistrableModel {
    readonly caption: string | null;
    readonly description: string | null;
    readonly alt: string | null;
    protected readonly _rawSources: ReadonlyArray<ConceptSourceJson | ConceptSource>;
    protected _sources: ReadonlyArray<ConceptSource> | null;
    constructor(data?: NonConceptEntityJson);
    get sources(): ReadonlyArray<ConceptSource>;
    /**
     * Ontology class local-name. Subtypes override to return their specific
     * class (Figure/Table/Formula). Used by the RDF emitter so a new subtype
     * registers without editing the emitter (OCP).
     */
    rdfClass(): string;
    findById(_targetId: string): NonConceptEntity | null;
    allIds(): string[];
    toJSON(): NonConceptEntityJson;
    static fromJSON(data: NonConceptEntityJson): NonConceptEntity;
}
/**
 * @deprecated Use NonConceptEntity instead. The old name conflated
 * non-verbal designations (NonVerbRep — a concept designation like
 * symbol `kg`) with non-concept entities (Figure/Table/Formula —
 * standalone entities that are NOT concepts).
 */
export declare const NonVerbalEntity: typeof NonConceptEntity;
/** @deprecated Use NonConceptEntity. Type alias for backward compat. */
export type NonVerbalEntity = NonConceptEntity;
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