import { Source } from "../source.js";
export declare class SourceFragmentMap {
    #private;
    /**
     * Get a view on the current mapping from source ids to sets of fragment ids.
     */
    get sourceToFragments(): ReadonlyMap<string, ReadonlySet<string>>;
    /**
     * Get a view on the current mapping from fragment ids to sets of source ids.
     */
    get fragmentToSources(): ReadonlyMap<string, ReadonlySet<string>>;
    /**
     * Update all fragments of the specified source.
     */
    updateSource(sourceId: string, fragmentMap: ReadonlyMap<string, Source.Fragment>): void;
    /**
     * Remove all fragments of the specified source.
     */
    removeSource(sourceId: string): void;
    /**
     * Check if there are any sources other than the specified one that also provide the same fragment.
     */
    hasOtherSources(sourceId: string, fragmentId: string): boolean;
    /**
     * Check if there are any fragments with the specified id.
     */
    hasFragment(fragmentId: string): boolean;
}