export type ArtifactUploadFieldMap = Record<string, unknown>;
export interface ArtifactStoreUploadLike {
    create(input: Record<string, unknown>): Promise<unknown>;
    getMaxBytes?(): number;
    createFromStream?(input: {
        readonly stream: ReadableStream<Uint8Array> | AsyncIterable<Uint8Array | Buffer | string> | Iterable<Uint8Array | Buffer | string>;
        readonly kind?: string | undefined;
        readonly mimeType?: string | undefined;
        readonly filename?: string | undefined;
        readonly sourceUri?: string | undefined;
        readonly sizeBytes?: number | undefined;
        readonly retentionMs?: number | undefined;
        readonly acquisitionMode?: string | undefined;
        readonly fetchMode?: string | undefined;
        readonly metadata?: Record<string, unknown> | undefined;
    }): Promise<unknown>;
}
export interface ArtifactUploadResult {
    readonly artifact: unknown;
    readonly artifactId: string;
    readonly fields: ArtifactUploadFieldMap;
}
export declare function isJsonContentType(contentType: string | null): boolean;
export declare function isArtifactUploadRequest(req: Request): boolean;
export declare function createArtifactFromUploadRequest(artifactStore: ArtifactStoreUploadLike, req: Request): Promise<ArtifactUploadResult | Response>;
//# sourceMappingURL=artifact-upload.d.ts.map