export type MetadataEntry = {
    readonly key: string;
    readonly value: string;
};
export type MetadataArray = readonly [readonly string[], readonly string[]];
export type MetadataObject = Record<string, string>;
export declare const METADATA_LIMITS: {
    MAX_KEY_LENGTH: number;
    MAX_VALUE_LENGTH: number;
    MAX_KEYS_PER_DATASET: number;
    MAX_KEYS_PER_PIECE: number;
};
export declare function metadataArrayToObject(metadataArray: MetadataArray): Record<string, string>;
export interface MetadataDataSetInternal {
    cdn?: boolean;
}
export interface MetadataPieceInternal {
    ipni?: boolean;
    ipfsRootCID?: string;
}
export declare function datasetMetadataObjectToEntry(metadataObject?: MetadataObject, metadataInternal?: MetadataDataSetInternal): MetadataEntry[];
export declare function pieceMetadataObjectToEntry(metadataObject?: MetadataObject, metadataInternal?: MetadataPieceInternal): MetadataEntry[];
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