import type { DidMethodResolver, DidResolutionResult } from '../types/did-types.js';
/**
 * Resolver for ION DIDs.
 *
 * NOTE: For production use, consider using ion-sidtree in a Docker container
 * to resolve ION DIDs locally instead of relying on external resolution endpoints.
 * This would provide better reliability and performance.
 */
export declare class DidIonResolver implements DidMethodResolver {
    private resolutionEndpoint;
    private fetchFn;
    /**
     * @param resolutionEndpoint optional custom URL to send DID resolution request to
     * @param fetchFn optional custom fetch function for testing
     */
    constructor(resolutionEndpoint?: string, fetchFn?: typeof globalThis.fetch);
    method(): string;
    resolve(did: string): Promise<DidResolutionResult>;
}
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