import { KeyType } from '@ew-did-registry/keys';
/**
 * Currently, there are three types of DID Attributes, this can be potentially extended
 */
export declare enum DIDAttribute {
    PublicKey = "pub",
    Authenticate = "auth",
    ServicePoint = "svc"
}
/**
 * The two main types of public keys are, in turn, verification key and signature authentication key
 */
export declare enum PubKeyType {
    SignatureAuthentication2018 = "sigAuth",
    VerificationKey2018 = "veriKey"
}
/**
 * Encoding specifies the format in which the public key is store
 */
export declare enum Encoding {
    HEX = "hex",
    BASE64 = "base64",
    PEM = "pem"
}
/**
 * KeyTags specifies the tags associated with different purposes of the keys
 */
export declare enum KeyTags {
    OWNER = "key-owner"
}
/** This interface represents the attribute payload
 * TODO : avoid use of IAttributePayload, reuse IPublicKey and IServiceEndpoint
 */
export interface IAttributePayload {
    id?: string;
    type?: string;
    publicKey?: string;
    serviceEndpoint?: string;
    tag?: string;
    hash?: string;
    hashAlg?: string;
}
/**
 * Data used to update DID Document. To update the public key you need to set its value in value
 * field, and to set authentication method, the delegate's Ethereum address must be set in the
 * delegate field
 */
export interface IUpdateData {
    encoding?: Encoding;
    algo?: KeyType;
    type: PubKeyType | DIDAttribute;
    value?: IAttributePayload;
    delegate?: string;
}
export type IUpdateAttributeData = Omit<IUpdateData, 'delegate'> & {
    value: IAttributePayload;
};
export type IUpdateDelegateData = Omit<IUpdateData, 'value'> & {
    delegate: string;
};
export declare const PublicKeyEncoding: {
    detect: (publicKey: string) => Encoding | undefined;
};