export declare class CborDecoder {
    static readOptional<T>(data: Uint8Array, reader: (data: Uint8Array) => T): T | null;
    static readUnsignedInteger(data: Uint8Array): bigint;
    static readNegativeInteger(): bigint;
    static readByteString(data: Uint8Array): Uint8Array;
    static readTextString(data: Uint8Array): string;
    static readArray(data: Uint8Array): Uint8Array[];
    static readMap(data: Uint8Array): Map<string, Uint8Array>;
    static readTag(data: Uint8Array): {
        tag: bigint;
        data: Uint8Array;
    };
    static readBoolean(data: Uint8Array): boolean;
    private static readLength;
    private static readRawCbor;
    private static readByte;
    private static read;
}