import { SKILL_BUNDLE_ERROR_CODES } from '../_vendored-contracts/skill-distribution.js';
import type { SkillInstallErrorCode } from '../_vendored-contracts/skill-distribution.js';
export interface BundleFetchResult {
    tmpPath: string;
    version: string;
    checksumSha256: string;
    manifestVersion: string;
}
export interface FetchError {
    code: SkillInstallErrorCode;
    message: string;
    details?: Record<string, unknown>;
}
/**
 * Fetch bundle tarball from brain and stream to tmpPath.
 * Returns version + checksum from response headers.
 * Throws FetchError-shaped object on failure.
 */
export declare function fetchBundle(opts: {
    apiBaseUrl: string;
    agentToken: string;
    slug: string;
    version?: string;
    tmpPath: string;
}): Promise<BundleFetchResult>;
/**
 * Compute SHA-256 hex of a file.
 */
export declare function computeFileSha256(filePath: string): Promise<string>;
/**
 * Verify sha256 of tmpPath matches expected.
 * Returns true if match, false if mismatch.
 */
export declare function verifyChecksum(filePath: string, expected: string): Promise<boolean>;
/**
 * Delete tmp file silently (cleanup).
 */
export declare function deleteTmpFile(filePath: string): void;
export { SKILL_BUNDLE_ERROR_CODES };
//# sourceMappingURL=bundle-fetcher.d.ts.map