import * as i0 from "@angular/core";
export declare class AnnotationMappingService {
    private annotationIdCache;
    getAll(): Set<string>;
    add(id: string): void;
    addMany(ids: string[]): void;
    discard(count: number): string[];
    clear(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AnnotationMappingService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AnnotationMappingService>;
}