export type ErrorCode = 'BOOT_ERROR' | 'INVALID_ARG' | 'INVALID_JSON' | 'MISSING_DEPENDENCY' | 'DAEMON_NOT_RUNNING' | 'DAEMON_ALREADY_RUNNING' | 'DAEMON_TIMEOUT' | 'SESSION_NOT_FOUND' | 'PAGE_NOT_FOUND' | 'BROWSER_LAUNCH_FAILED' | 'LICENSE_ERROR' | 'NAVIGATION_FAILED' | 'TIMEOUT' | 'SELECTOR_NOT_FOUND' | 'EVAL_FAILED' | 'NETWORK_ERROR' | 'IO_ERROR' | 'NOT_IMPLEMENTED' | 'UNSUPPORTED_OPERATION' | 'INTERNAL_ERROR';
export declare class CloakError extends Error {
    readonly code: ErrorCode;
    readonly details?: Record<string, unknown>;
    constructor(code: ErrorCode, message: string, details?: Record<string, unknown>);
    toJSON(): {
        code: ErrorCode;
        message: string;
        details?: Record<string, unknown>;
    };
}
export declare function fromUnknown(err: unknown): CloakError;
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