import { DicomFileRepository } from '@utrad-ical/circus-lib/lib/dicom-file-repository';
import { DicomImageExtractor, DicomMetadata } from '@utrad-ical/circus-lib/lib/image-extractor/dicomImageExtractor';
import { Initializer as MultiRangeInitializer, MultiRange } from 'multi-integer-range';
import RawData from '../../common/RawData';
export declare type VolumeProvider = (seriesUid: string) => Promise<VolumeAccessor>;
/**
 * VolumeAccessor is a set of data which loadVolumeProvider middleware
 * creates and injects to Koa's context.
 */
export interface VolumeAccessor {
    imageMetadata: Map<number, DicomMetadata>;
    volume: RawData;
    load: (range: MultiRangeInitializer, priority?: number) => Promise<void>;
    determinePitch: () => Promise<number>;
    images: MultiRange;
}
/**
 * Creates a priority loader that can be injected to Koa's context.
 * @param repository Bound DICOM file repository.
 * @param extractor Bound DicomImageExtractor.
 */
export declare function createVolumeProvider(repository: DicomFileRepository, extractor: DicomImageExtractor): VolumeProvider;