import { TypedMap } from './typed-map';
/**
 * COSE Header labels registered in the IANA "COSE Header Parameters" registry.
 * Reference: https://www.iana.org/assignments/cose/cose.xhtml#header-parameters
 */
export declare enum Headers {
    Algorithm = 1,
    Critical = 2,
    ContentType = 3,
    KeyID = 4,
    IV = 5,
    PartialIV = 6,
    CounterSignature = 7,
    CounterSignature0 = 9,
    CounterSignatureV2 = 11,
    CounterSignature0V2 = 12,
    X5Bag = 32,
    X5Chain = 33,
    X5T = 34,
    X5U = 35
}
export declare enum Algorithms {
    EdDSA = -8,
    ES256 = -7,
    ES384 = -35,
    ES512 = -36,
    PS256 = -37,
    PS384 = -38,
    PS512 = -39,
    RS256 = -257,
    RS384 = -258,
    RS512 = -259
}
export declare enum MacAlgorithms {
    HS256 = 5,
    HS384 = 6,
    HS512 = 7
}
export declare enum EncryptionAlgorithms {
    A128GCM = 1,
    A192GCM = 2,
    A256GCM = 3,
    Direct = -6
}
export type Direct = -6;
export type SupportedEncryptionAlgorithms = 'A128GCM' | 'A192GCM' | 'A256GCM';
export declare const EncryptionAlgorithmNames: Map<EncryptionAlgorithms, SupportedEncryptionAlgorithms>;
export declare const MacAlgorithmNames: Map<MacAlgorithms, SupportedMacAlg>;
export declare const AlgorithmNames: Map<Algorithms, SupportedAlgs>;
export type SupportedAlgs = 'EdDSA' | 'ES256' | 'ES384' | 'ES512' | 'PS256' | 'PS384' | 'PS512' | 'RS256' | 'RS384' | 'RS512';
export declare class ProtectedHeaders extends TypedMap<[Headers.Algorithm, Algorithms] | [Headers.Critical, Headers[]] | [Headers.ContentType, number | Uint8Array] | [Headers.KeyID, Uint8Array] | [
    Omit<Headers, Headers.Algorithm | Headers.Critical | Headers.ContentType | Headers.KeyID>,
    Uint8Array | Uint8Array[] | number | number[]
]> {
    /**
     * Ensure input is a ProtectedHeaders instance.
     *
     * @param headers - The headers to wrap.
     * @returns
     */
    static from(headers: ProtectedHeaders | ConstructorParameters<typeof ProtectedHeaders>[0]): ProtectedHeaders;
    /**
     * CBOR encode the hedaers instance
     * @returns {Uint8Array} - The encoded protected headers.
     */
    encode(): Uint8Array;
}
export type SupportedMacAlg = 'HS256' | 'HS384' | 'HS512';
export declare class EncryptProtectedHeaders extends TypedMap<[Headers.Algorithm, EncryptionAlgorithms] | [Headers.Critical, Headers[]] | [Headers.ContentType, number | Uint8Array] | [Headers.KeyID, Uint8Array] | [
    Omit<Headers, Headers.Algorithm | Headers.Critical | Headers.ContentType | Headers.KeyID>,
    Uint8Array | number | number[]
]> {
    /**
     * Ensure input is a EncryptProtectedHeaders instance.
     *
     * @param headers - The headers to wrap.
     * @returns
     */
    static from(headers: EncryptProtectedHeaders | ConstructorParameters<typeof EncryptProtectedHeaders>[0]): EncryptProtectedHeaders | MacProtectedHeaders;
}
export declare class MacProtectedHeaders extends TypedMap<[Headers.Algorithm, MacAlgorithms] | [Headers.Critical, Headers[]] | [Headers.ContentType, number | Uint8Array] | [Headers.KeyID, Uint8Array] | [
    Omit<Headers, Headers.Algorithm | Headers.Critical | Headers.ContentType | Headers.KeyID>,
    Uint8Array | number | number[]
]> {
    /**
     * Ensure input is a MacProtectedHeaders instance.
     *
     * @param headers - The headers to wrap.
     * @returns
     */
    static from(headers: MacProtectedHeaders | ConstructorParameters<typeof MacProtectedHeaders>[0]): MacProtectedHeaders;
}
export declare class UnprotectedHeaders extends TypedMap<[Headers.ContentType, number | Uint8Array] | [Headers.KeyID, Uint8Array] | [Headers.IV, Uint8Array] | [Headers.PartialIV, Uint8Array] | [Headers.X5Chain, Uint8Array | Uint8Array[]] | [
    Exclude<Headers, Headers.ContentType | Headers.KeyID | Headers.PartialIV | Headers.X5Chain>,
    number | number[] | Uint8Array | Uint8Array[]
]> {
    /**
     * Ensure input is a MacProtectedHeaders instance.
     *
     * @param headers - The headers to wrap.
     * @returns
     */
    static from(headers: UnprotectedHeaders | ConstructorParameters<typeof UnprotectedHeaders>[0]): UnprotectedHeaders;
}
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