export interface IFlagRouter {
    isFeatureEnabled: (key: string) => boolean;
    listFlags: () => FeatureFlagsResponse;
}
export declare type FeatureFlagsResponse = {
    key: string;
    value: boolean;
}[];
export declare type FlagSettings = {
    key: string;
    description: string;
    env_key: string;
    default_val: boolean;
};