import { Sig, PubKey } from '../types/index.js';
import { AbstractContract } from '../abstractContract.js';
/**
 * Verifies a signature against a public key for the current contract context.
 * @ignore
 * @param self - The contract instance containing the context to verify against
 * @param signature - The signature to verify in hex format
 * @param publickey - The public key in hex format to verify the signature against
 * @returns true if the signature is valid for the given public key and contract context,
 *          false if invalid or if encoding checks fail
 */
export declare function checkSigImpl(self: AbstractContract, signature: Sig, publickey: PubKey): boolean;
/**
 * Verifies a multi-signature against a set of public keys.
 * @ignore
 * @param self - The contract instance containing the signing context
 * @param signatures - Array of signatures to verify
 * @param publickeys - Array of public keys to check against
 * @returns true if all signatures are valid and match the public keys, false otherwise
 *
 * @remarks
 * - Validates signature and public key encoding before verification
 * - Ensures each signature matches at least one unique public key
 * - Uses the contract's context (shPreimage) as the signed message
 */
export declare function checkMultiSigImpl(self: AbstractContract, signatures: Sig[], publickeys: PubKey[]): boolean;
//# sourceMappingURL=checkSig.d.ts.map