import type { SHA256Calculator } from "../types";
/**
 * Default implementation of SHA256 calculator
 * Uses Web Crypto API
 */
export declare class DefaultSHA256Calculator implements SHA256Calculator {
    /**
     * Calculate SHA256 hash of a file
     *
     * @param file File to hash
     * @returns Hash as hex string
     */
    calculateSha256(file: File): Promise<string>;
}
export declare function getDefaultSHA256Calculator(): SHA256Calculator;
export declare const defaultSHA256Calculator: SHA256Calculator;
//# sourceMappingURL=sha256.d.ts.map