import type { ControllerGetStateAction } from "@metamask/base-controller";
import type { Json } from "@metamask/utils";
export declare enum ClientType {
    Extension = "extension",
    Mobile = "mobile"
}
export declare enum DistributionType {
    Main = "main",
    Flask = "flask"
}
export declare enum EnvironmentType {
    Production = "prod",
    ReleaseCandidate = "rc",
    Development = "dev"
}
/** Type representing the feature flags collection */
export type FeatureFlags = {
    [key: string]: Json;
};
export type ApiDataResponse = FeatureFlags[];
export type ServiceResponse = {
    remoteFeatureFlags: FeatureFlags;
    cacheTimestamp: number | null;
};
/**
 * Describes the shape of the state object for the {@link RemoteFeatureFlagController}.
 */
export type RemoteFeatureFlagControllerState = {
    /**
     * The collection of feature flags and their respective values, which can be objects.
     */
    remoteFeatureFlags: FeatureFlags;
    /**
     * The timestamp of the last successful feature flag cache.
     */
    cacheTimestamp: number;
};
/**
 * The action to retrieve the state of the {@link RemoteFeatureFlagController}.
 */
export type RemoteFeatureFlagControllerGetStateAction = ControllerGetStateAction<'RemoteFeatureFlagController', RemoteFeatureFlagControllerState>;
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