import { type Hex } from "../encoding/hex.js";
/**
 * Options for signing a transaction hash.
 */
export type SignOptions = {
    hash: Hex;
    privateKey: Hex;
};
/**
 * Generates the signature for the provided transaction hash.
 * @param options - The options for signing.
 * @param options.hash - The hash to be signed.
 * @param options.privateKey - The private key to sign the hash with.
 * @returns The transaction signature.
 * @example
 * ```ts
 * import { sign } from "thirdweb/utils";
 *
 * const signature = sign({
 *   hash: "0x",
 *   privateKey: "0x",
 * });
 * ```
 * @utils
 */
export declare function sign({ hash, privateKey }: SignOptions): {
    r: `0x${string}`;
    s: `0x${string}`;
    v: bigint;
    yParity: number;
};
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