declare module 'keep-alive-domains' {
  /** Single channel domain config */
  interface ChannelConfig {
    primary: string;
    fallbacks: string[];
  }

  /**
   * Get config for a specific channel.
   * @returns null if channel not found
   */
  export function getChannel(name: string): ChannelConfig | null;

  /**
   * Get all channel names.
   */
  export function getChannelNames(): string[];

  /**
   * Get the config version number for cache comparison.
   */
  export function getVersion(): number;

  /** Config version */
  export const version: number;

  /** Last update timestamp (ISO 8601) */
  export const updatedAt: string;

  /** Raw channels map */
  export const channels: Record<string, ChannelConfig>;

  const _default: {
    version: number;
    updatedAt: string;
    channels: Record<string, ChannelConfig>;
  };
  export default _default;
}