/**
 * `lockfile` — browser stub.
 *
 * The Node version of this module imports `node:crypto`, `node:fs`, and
 * `node:path` to compute content hashes and read `qodo.lock.yaml` off
 * disk. None of those APIs exist in the browser, and the lockfile is a
 * server-side concern anyway: there's no reproducibility story for a
 * browser bundle that holds no catalog.
 *
 * The stub preserves the type surface so `import type { Lockfile } from
 * '@qodo/sdk'` resolves in both environments; runtime calls reject with
 * a clear message. Wired via the `browser` field in `package.json`.
 */
import type { SkillSource } from './types.js';
export declare const LOCKFILE_SCHEMA_VERSION = 1;
export declare const LOCKFILE_BASENAME = "qodo.lock.yaml";
export interface LockfileEntry {
    readonly fqn: string;
    readonly source: SkillSource;
    readonly sha256: string;
}
export interface Lockfile {
    readonly schemaVersion: number;
    readonly skills: readonly LockfileEntry[];
}
export type LockfileValidation = {
    readonly outcome: 'ok';
    readonly actualSha256: string;
} | {
    readonly outcome: 'drift';
    readonly actualSha256: string;
    readonly expectedSha256: string;
} | {
    readonly outcome: 'unreachable';
    readonly reason: string;
};
export declare class LockfileParseError extends Error {
    constructor(message: string);
}
export declare class LockfileValidationError extends Error {
    readonly fqn: string;
    readonly kind: 'drift' | 'unreachable';
    constructor(fqn: string, kind: 'drift' | 'unreachable', message: string);
}
export declare function findLockfile(_paths: readonly string[]): Promise<string | null>;
export declare function loadLockfile(_path: string): Promise<Lockfile>;
export declare function parseLockfile(_text: string): Lockfile;
export declare function writeLockfile(_lockfile: Lockfile): string;
export declare function computeSkillHash(_dir: string): Promise<{
    readonly sha256: string;
    readonly fileCount: number;
    readonly skipped: readonly string[];
}>;
export declare function validateLockfileEntry(_entry: LockfileEntry, _skill: unknown): Promise<LockfileValidation>;
export declare function buildLockfile(_skills: readonly unknown[]): Promise<Lockfile>;
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