import type { BackendFederationManifest } from './types.js';
export declare function stringValue(value: unknown): string | undefined;
export declare function isRecord(value: unknown): value is Record<string, unknown>;
export declare function recordField(value: Record<string, unknown> | undefined, field: string): Record<string, unknown> | undefined;
export declare function resolveRemoteEntryFromMetadata(manifest: BackendFederationManifest): string | undefined;
export declare function backendFederationMetadata(manifest: BackendFederationManifest): Record<string, unknown> | undefined;
export declare function versionBoundaryMetadata(manifest: BackendFederationManifest): Record<string, unknown> | undefined;
export declare function deliveryUnitMetadata(record: Record<string, unknown> | undefined): Record<string, unknown> | undefined;
export declare function manifestDeliveryUnit(backendFederation: Record<string, unknown> | undefined, boundary: Record<string, unknown> | undefined): {
    boundary: Record<string, unknown> | undefined;
    top: Record<string, unknown> | undefined;
};