/**
 * Versification source registry.
 *
 * Multiple versification sources can register themselves; `mapVerse` routes to
 * whichever registered source covers the requested `from`/`to` scheme pair,
 * preferring the highest `priority`. The existing MT/LXX/English pivot logic is
 * registered (in ./index.ts) as the built-in, lowest-priority source, so a
 * future data-driven source (e.g. TVTMS) can register and override it without
 * touching core.
 *
 * core stays zero-dependency: data flows in via registration, mirroring the
 * `registerSource()` pattern in ../registry.ts.
 */
import type { Scheme } from './schemes.js';
import type { Ref } from './psalms.js';
export interface VersificationSource {
    /** Stable identifier; registering the same id replaces the prior source. */
    id: string;
    /** Schemes this source can map between. */
    systems: Scheme[];
    /** Higher wins when multiple sources cover a pair; built-in = 0 (default 0). */
    priority?: number;
    /** Map a reference from one scheme to another (null if no equivalent). */
    mapRef(book: string, chapter: number, verse: number, from: Scheme, to: Scheme): Ref | null;
    /** Whether the mapping is reliable for this book (defaults to reliable). */
    isReliable?(book: string, from: Scheme, to: Scheme): boolean;
    metadata?: {
        name?: string;
        license?: string;
        source?: string;
        urls?: string[];
    };
}
/** Register a versification source, replacing any existing one with the same id. */
export declare function registerVersification(s: VersificationSource): void;
/** Remove a versification source by id. Returns true if one was removed. */
export declare function unregisterVersification(id: string): boolean;
/** Get a copy of all registered versification sources. */
export declare function getVersificationSources(): VersificationSource[];
/**
 * Resolve the best source for a scheme pair: among sources whose `systems`
 * include BOTH `from` and `to`, return the highest priority. Ties are broken by
 * last-registered-wins.
 */
export declare function resolveVersificationSource(from: Scheme, to: Scheme): VersificationSource | undefined;
//# sourceMappingURL=registry.d.ts.map