import { AccessGrant, AccessGrantType, AccessToken, ClaimData, ClaimObject, ClaimStatus, ClaimType } from './Claim.interface';
import { SignerModuleInterface } from '../core/SignerModule';
import { HexString } from '../core/utils/Utils';
export declare class Claim implements ClaimObject {
    address?: string;
    data?: string;
    hash?: string;
    id?: string;
    issuanceDate?: Date;
    emissionDate?: Date;
    issuer?: string;
    privateData?: object;
    publicData?: object;
    scheme?: number;
    signature?: string;
    status?: ClaimStatus;
    type?: number;
    uri?: string;
    /**
     * Standardize a Claim Issuer provider response for a claim.
     * Even if the standard is to return camelCase properties, some may return snake_case.
     * @param data
     */
    private static standardizeProviderResponse;
    /**
       * Generate the hash of a claim using the provided data.
       * @param type
       * @param emissionDate
       * @param publicData
       * @param privateData
       */
    static generateHash(type: ClaimType, emissionDate: Date, publicData: object, privateData: object): string;
    static generateBlockchainHash(address: string, topic: number, data: string): string;
    /**
       * Instantiate a new claim from an URI.
       * @param uri
       */
    static createFromURI(uri: string): Promise<ClaimObject>;
    /**
     * Generate the blockchain hash of a claim and signs it with the provided signer or the default signer of the SDK.
     * @param type
     * @param address
     * @param data
     * @param [signer]
     * @returns Claim signature.
     */
    static sign(type: ClaimType, address: string, data: HexString, signer?: SignerModuleInterface): Promise<string>;
    /**
       * Verify the signature of a claim.
       * The standard signature of a claim is the keccak256 hash of (identityAddress, type, data) prefixed and signed.
       * The data argument is exactly the content of the data claim field stored in blockchain (caution to hex padding).
       * Data is expected to be an hexString.
       * Using the IdentitySDK, call `IdentitySDK.utils.toHex('data')`.
       * Using web3utils, call `web3utils.asciiToHex('data)`.
       * Using ethersjs, call `Ethers.utils.hexlify(Ethers.utils.toUtf8Bytes('data'))`
       * @param signingKey
       * @param type
       * @param address Address of identity contract.
       * @param data
       * @param signature
       */
    static verifySignature(signingKey: string, type: ClaimType, address: string, data: string, signature: string): Promise<boolean>;
    /**
       * Create a new Claim Object from a ClaimData (got from BlockChain Identity Contract).
       * Use #.createFromURI() to fetch from an URI.
       * @param claim
       */
    constructor(claim?: ClaimData);
    /**
       * Complete an AccessGrant challenge to validate a PERSISTENT grant or obtain an access token with an IMMEDIATE grant.
       * @param accessGrant
       * @param [signer] Signer to sign the challenge if signature is not provided in accessGrant.
       */
    completeAccessChallenge(accessGrant: AccessGrant, signer?: SignerModuleInterface): Promise<AccessGrant | AccessToken>;
    /**
       * Retrieve public data of the claim.
       * Will fetch a GET on the Claim URI, with ?private_data=true&access_token=<...>.
       * Use the .requestAccessToken() method to get an Access Token, and .requestAccess() to request access to the claim data.
       * @param accessToken
       */
    getPrivateData(accessToken: string): Promise<object>;
    /**
       * Retrieve public data of the claim.
       * Will fetch a GET on the Claim URI.
       */
    getPublicData(): Promise<object>;
    /**
       * Generate the hash of the claim data if it was populated with private data.
       * If all data are not provided as arguments, data fromm the Claim object will be used.
       * Note that to verify a claim complete data, you will obviously need to have access to its private data.
       * Use the .populate() method to fetch all the public and private data if available.
       * @param type
       * @param emissionDate
       * @param publicData
       * @param privateData
       */
    generateHash(type?: ClaimType, emissionDate?: Date, publicData?: object, privateData?: object): string;
    /**
       * Request access to a Claim private data.
       * If the signer already possess a persistent Access Grant, this should return the existing access grant to request access token with.
       * To require a PERSISTENT access grant, the signer is required. It must expose the getPublicKey() function.
       * @param accessType
       * @param signer Required if access grant type is PERSISTENT.
       */
    requestAccess(accessType?: AccessGrantType, signer?: SignerModuleInterface): Promise<AccessGrant>;
    /**
       * Use a confirmed AccessGrant to obtain an AccessToken.
       * @param accessGrant
       * @param signer
       */
    requestAccessToken(accessGrant: AccessGrant, signer: SignerModuleInterface): Promise<AccessToken>;
    /**
       * Populate Claim Object with public and eventually private data.
       * Getting the private data requires an accessToken.
       * @param accessToken
       */
    populate(accessToken?: string): Promise<void>;
    /**
     * Sign the claim.
     * It will update the signature property of the claim. The signature can only be generated for a claim that as a type, an address and data.
     * @param signer Signer module to use. If null, use default signer of SDK.
     */
    sign(signer?: SignerModuleInterface): Promise<string>;
}