import { type Source, type SourceMetadata } from '@chunkd/source';
import { GeoTIFF } from '@developmentseed/geotiff';
import { type RequestTransform } from './request';
export declare class TransformedGeoTIFFSource implements Source {
    private requestTransform?;
    readonly type = "http";
    readonly url: URL;
    metadata?: SourceMetadata;
    private headed?;
    constructor(url: string | URL, requestTransform?: RequestTransform);
    head(options?: {
        signal: AbortSignal;
    }): Promise<SourceMetadata>;
    private readHead;
    fetch(offset: number, length?: number, options?: {
        signal: AbortSignal;
    }): Promise<ArrayBuffer>;
    private readMetadata;
    private request;
}
export declare function openGeoTIFF(url: string, requestTransform?: RequestTransform, signal?: AbortSignal): Promise<GeoTIFF>;