/**
 * Rondevu Error Classes
 *
 * Error hierarchy for the Rondevu client:
 * - RondevuError (base)
 *   - NetworkError (API/connectivity issues)
 *   - ValidationError (invalid input/data)
 *   - ConnectionError (WebRTC/ICE issues)
 */
/**
 * Base error class for all Rondevu errors.
 * Provides optional context object for debugging.
 */
export declare class RondevuError extends Error {
    context?: Record<string, unknown> | undefined;
    constructor(message: string, context?: Record<string, unknown> | undefined);
}
/**
 * Network-related errors (API calls, connectivity)
 *
 * @example
 * ```typescript
 * throw new NetworkError('Failed to reach signaling server', {
 *   url: 'https://api.ronde.vu',
 *   status: 503
 * })
 * ```
 */
export declare class NetworkError extends RondevuError {
    constructor(message: string, context?: Record<string, unknown>);
}
/**
 * Validation errors (invalid input, malformed data)
 *
 * @example
 * ```typescript
 * throw new ValidationError('Invalid username format', {
 *   username: 'invalid@user',
 *   pattern: '^[a-z0-9-]{4,32}$'
 * })
 * ```
 */
export declare class ValidationError extends RondevuError {
    constructor(message: string, context?: Record<string, unknown>);
}
/**
 * WebRTC connection errors (peer connection failures, ICE issues)
 *
 * @example
 * ```typescript
 * throw new ConnectionError('ICE connection failed', {
 *   iceState: 'failed',
 *   offerId: 'abc123'
 * })
 * ```
 */
export declare class ConnectionError extends RondevuError {
    constructor(message: string, context?: Record<string, unknown>);
}