/**
 * @fileoverview Validation and ID-parsing helpers for SkillInstallationService
 * @module @skillsmith/core/services/skill-installation.validate
 * @see SMI-4745: domain-driven split to stay under the 500-line CI gate
 */
import type { TrustTier } from '../types/skill.js';
import type { DepIntelResult, RegistryLookup, InstallResult, QuarantineStatus } from './skill-installation.types.js';
export interface ParsedSkillId {
    owner: string;
    repo: string;
    path: string;
    isRegistryId: boolean;
}
export declare function parseSkillIdInternal(input: string): ParsedSkillId;
export interface SkillMdValidation {
    valid: boolean;
    errors: string[];
}
export declare function validateSkillMd(content: string): SkillMdValidation;
/** SMI-3870: Validate config.json content; returns validity and warnings. */
export declare function validateOptionalConfig(content: string): {
    valid: boolean;
    warnings: string[];
};
/** SMI-3871: Cross-reference dependency targets against quarantine status. */
export declare function checkDepsAgainstQuarantine(depIntel: DepIntelResult, getStatus: (skillId: string) => QuarantineStatus | null): {
    warnings: string[];
    quarantinedDeps: string[];
};
export type RegistryLookupResult = {
    resolved: true;
    owner: string;
    repo: string;
    basePath: string;
    branch: string;
    skillName: string;
    trustTier: TrustTier;
    indexedContentHash: string | undefined;
} | {
    resolved: false;
    failure: InstallResult;
};
export declare function resolveRegistryInstall(skillId: string, lookup: RegistryLookup): Promise<RegistryLookupResult>;
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