/**
 * Authored public-artifact contracts for v3 DAG schemaVersion 2.
 *
 * A stable output key is the only cross-node identifier. Manifest `name`
 * remains presentation metadata; the contract resolves the key to path/kind.
 */
import { type Manifest, type ManifestFileKind } from './artifact-contract.js';
export declare const V3_ARTIFACT_OUTPUT_KEY_RE: RegExp;
export declare const V3_ARTIFACT_OUTPUT_MAX_COUNT = 32;
export declare const V3_ARTIFACT_OUTPUT_MAX_BYTES: number;
export interface V3ArtifactOutputDeclaration {
    path: string;
    kind: ManifestFileKind;
}
export type V3ArtifactOutputs = Record<string, V3ArtifactOutputDeclaration>;
export interface V3ArtifactContractValidation {
    ok: boolean;
    problems: string[];
}
export declare function normalizeArtifactOutputs(value: unknown, where: string, problems: string[]): V3ArtifactOutputs | undefined;
export declare function validateManifestArtifactContract(outputs: V3ArtifactOutputs | undefined, manifest: Manifest): V3ArtifactContractValidation;
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