import { Keypair } from "@solana/web3.js";
export type Exchange = "pacifica" | "hyperliquid" | "lighter" | "aster";
/**
 * Try to load a private key without throwing if none is found.
 * Returns null if no key is configured.
 */
export declare function tryLoadPrivateKey(exchange: Exchange, pkOverride?: string, walletName?: string): Promise<string | null>;
/**
 * Resolve an OWS wallet name to a signer-ready marker.
 * Returns the OWS wallet name prefixed with "ows:" so callers can detect OWS mode.
 */
export declare function resolveOwsWallet(walletName: string): string | null;
/** Check if a key string represents an OWS wallet reference. */
export declare function isOwsKey(key: string): boolean;
/** Extract OWS wallet name from an ows: prefixed key string. */
export declare function getOwsWalletName(key: string): string;
export declare function loadPrivateKey(exchange: Exchange, pkOverride?: string, walletName?: string): Promise<string>;
export declare function parseSolanaKeypair(input: string): Keypair;
export declare function isEvmPrivateKey(input: string): boolean;