import type { AirshipPluginWrapper } from './AirshipPlugin';
import type { FeatureFlag } from './types';
/**
 * Airship feature flag manager.
 */
export declare class AirshipFeatureFlagManager {
    private readonly plugin;
    constructor(plugin: AirshipPluginWrapper);
    /**
      * Retrieve a given flag's status and associated data by its name.
      * @param {string} flagName The flag name
      * @return {Promise<FeatureFlag>} A promise resolving to the feature flag
      *   requested.
      * @throws {Error} when failed to fetch
      */
    flag(flagName: string): Promise<FeatureFlag>;
    /**
      * Tracks a feature flag interaction event.
      * @param {FeatureFlag} flag The flag
      * @return {Promise<Void>} A promise with an empty result.
      * @throws {Error} when failed to fetch
      */
    trackInteraction(flag: FeatureFlag): Promise<void>;
}