import type { PreflightContext, PreflightResult, SkillInvocation, SkillPreflight } from './types.js';
export declare function _sealBuiltinKeys(): void;
export declare function registerPreflight(skillName: string, preflight: SkillPreflight, opts?: {
    force?: boolean;
}): void;
export declare function getPreflight(skillName: string): SkillPreflight | undefined;
export declare function _clearPreflightsForTests(): void;
export declare function runPreflight(inv: SkillInvocation, ctx: PreflightContext, onError?: (err: unknown) => void): Promise<PreflightResult | null>;