import type { EvmSigner } from "./interface.js";
/**
 * EVM signer backed by Open Wallet Standard.
 * Keys never leave the OWS encrypted vault.
 */
export declare class OwsEvmSigner implements EvmSigner {
    private _address;
    private _walletName;
    private _passphrase;
    private constructor();
    static create(walletName: string, passphrase?: string): OwsEvmSigner;
    getAddress(): string;
    signTypedData(domain: Record<string, unknown>, types: Record<string, Array<{
        name: string;
        type: string;
    }>>, value: Record<string, unknown>): Promise<string>;
    signMessage(message: string | Uint8Array): Promise<string>;
}
/**
 * Normalize OWS signature output to canonical 65-byte hex (0x-prefixed).
 *
 * OWS may return the signature in two shapes depending on version:
 *   (A) 65-byte hex with v already embedded — use as-is
 *   (B) 64-byte hex (r+s only) + separate recoveryId — append v
 *
 * For shape B, recoveryId may be either canonical (27/28) or raw (0/1).
 * If raw, add 27 to canonicalize.
 */
export declare function canonicalizeOwsSignature(result: {
    signature: string;
    recoveryId?: number;
}): string;