/**
 * [WHO]: Pure validation for untrusted declarative self-evolution proposals
 * [FROM]: Depends on extension-local evolution types
 * [TO]: Consumed before any candidate persistence or activation
 * [HERE]: extensions/optional/evolution/schema.ts - v1 generated-artifact trust boundary
 */
import { type ArtifactKind, type EvolutionArtifact, type ProposalValidation } from "./types.js";
export declare function validateProposal(value: unknown): ProposalValidation;
export declare function normalizedSkillName(id: string): string;
export declare function artifactKindFor(value: EvolutionArtifact): ArtifactKind;