import { SigningMethod, TypedSignature, address } from './types';
export declare enum SIGNATURE_TYPES {
    NO_PREPEND = 0,
    DECIMAL = 1,
    HEXADECIMAL = 2
}
export declare const PREPEND_DEC: string;
export declare const PREPEND_HEX: string;
export declare const EIP712_DOMAIN_STRING: string;
export declare const EIP712_DOMAIN_STRUCT: {
    name: string;
    type: string;
}[];
export declare function isValidSigType(sigType: number): boolean;
/**
 * Returns a signable EIP712 Hash of a struct, given the domain and struct hashes.
 */
export declare function getEIP712Hash(domainHash: string, structHash: string): string;
export declare function getPrependedHash(hash: string, sigType: SIGNATURE_TYPES): string;
/**
 * Returns true if the hash has a non-null valid signature from a particular signer.
 */
export declare function hashHasValidSignature(hash: string, typedSignature: string, expectedSigner: address): boolean;
export declare function ecRecoverTypedSignature(hash: string, typedSignature: string): address;
export declare function createTypedSignature(signature: string, sigType: number): string;
/**
 * Fixes any signatures that don't have a 'v' value of 27 or 28
 */
export declare function fixRawSignature(signature: string): string;
export declare function signatureToVRS(signature: string): {
    v: string;
    r: string;
    s: string;
};
export declare function signatureToSolidityStruct(typedSignature: TypedSignature): {
    vType: string;
    r: string;
    s: string;
};
export declare function ethSignTypedDataInternal(provider: any, signer: string, data: any, signingMethod: SigningMethod): Promise<TypedSignature>;