import type { SkillCandidate, SkillSnapshot } from '../types.js';
export declare const MAX_TREE_ITEMS = 1000;
export declare const MAX_FILES_PER_SKILL = 20;
export declare const MAX_FILE_BYTES = 100000;
export declare const MAX_TOTAL_SKILL_BYTES = 300000;
export declare const MAX_PRIMARY_SKILL_BYTES = 150000;
export declare function parseGitHubSource(value: unknown): {
    owner: string;
    repo: string;
    source: string;
};
export declare function validateSourceCommit(value: unknown): string;
/** Validate and canonicalize a provider candidate before any source request. */
export declare function validateSkillCandidate(value: SkillCandidate): SkillCandidate;
/** Return the skill slug represented by a verified primary SKILL.md path. */
export declare function canonicalSkillSlugFromPrimaryPath(primaryPath: string): string;
export declare function validateSkillSnapshot(input: {
    candidate: SkillCandidate;
    sourceCommit: string;
    files: Array<{
        path: string;
        content: string;
        primary: boolean;
    }>;
}): SkillSnapshot;
/** Recompute every derived field before a snapshot crosses the persistence boundary. */
export declare function revalidateSkillSnapshot(snapshot: SkillSnapshot): SkillSnapshot;
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