/**
 * Extract a clean error message from SDK errors that use multiline format.
 * TON Connect SDK wraps errors as "[TON_CONNECT_SDK_ERROR] Type\nActual message",
 * so we return the last line when present.
 */
export declare function extractTonSdkErrorMessage(error: unknown): string;
/**
 * Parse an error and throw a WalletConnectorError
 * Detects if the error is a user rejection or an unknown error
 */
export declare function parseError(error: unknown): never;
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