import type { ApiHost, Attributes, ClientKey, ClientOptions, DestroyOptions, EventLogger, EventProperties, Experiment, FeatureApiResponse, FeatureDefinitions, FeatureResult, FeatureUsageCallback, InitOptions, InitResponse, InitSyncOptions, LogUnion, Plugin, RefreshFeaturesOptions, Result, TrackingCallback, TrackingCallbackWithUser, UserContext, WidenPrimitives } from "./types/growthbook";
import { StickyBucketService } from "./sticky-bucket-service";
export declare class GrowthBookClient<AppFeatures extends Record<string, any> = Record<string, any>> {
    debug: boolean;
    ready: boolean;
    version: string;
    private _options;
    private _features;
    private _experiments;
    private _payload;
    private _decryptedPayload;
    private _destroyed?;
    constructor(options?: ClientOptions);
    setPayload(payload: FeatureApiResponse): Promise<void>;
    initSync(options: InitSyncOptions): GrowthBookClient<AppFeatures>;
    init(options?: InitOptions): Promise<InitResponse>;
    refreshFeatures(options?: RefreshFeaturesOptions): Promise<void>;
    getApiInfo(): [ApiHost, ClientKey];
    getApiHosts(): {
        apiHost: string;
        streamingHost: string;
        apiRequestHeaders?: Record<string, string>;
        streamingHostRequestHeaders?: Record<string, string>;
    };
    getClientKey(): string;
    getPayload(): FeatureApiResponse;
    getDecryptedPayload(): FeatureApiResponse;
    private _refresh;
    getFeatures(): FeatureDefinitions;
    getGlobalAttributes(): Attributes;
    setGlobalAttributes(attributes: Attributes): void;
    destroy(options?: DestroyOptions): void;
    isDestroyed(): boolean;
    setEventLogger(logger: EventLogger): void;
    logEvent(eventName: string, properties: EventProperties, userContext: UserContext): void;
    runInlineExperiment<T>(experiment: Experiment<T>, userContext: UserContext): Result<T>;
    private _getEvalContext;
    private _getGlobalContext;
    isOn<K extends string & keyof AppFeatures = string>(key: K, userContext: UserContext): boolean;
    isOff<K extends string & keyof AppFeatures = string>(key: K, userContext: UserContext): boolean;
    getFeatureValue<V extends AppFeatures[K], K extends string & keyof AppFeatures = string>(key: K, defaultValue: V, userContext: UserContext): WidenPrimitives<V>;
    evalFeature<V extends AppFeatures[K], K extends string & keyof AppFeatures = string>(id: K, userContext: UserContext): FeatureResult<V | null>;
    log(msg: string, ctx: Record<string, unknown>): void;
    setTrackingCallback(callback: TrackingCallbackWithUser): void;
    setFeatureUsageCallback(callback: FeatureUsageCallback): void;
    applyStickyBuckets(partialContext: Omit<UserContext, "stickyBucketService" | "stickyBucketAssignmentDocs">, stickyBucketService: StickyBucketService): Promise<UserContext>;
    createScopedInstance(userContext: UserContext, userPlugins?: Plugin[]): UserScopedGrowthBook<AppFeatures>;
}
export declare class UserScopedGrowthBook<AppFeatures extends Record<string, any> = Record<string, any>> {
    private _gb;
    private _userContext;
    logs: Array<LogUnion>;
    constructor(gb: GrowthBookClient<AppFeatures>, userContext: UserContext, plugins?: Plugin[]);
    runInlineExperiment<T>(experiment: Experiment<T>): Result<T>;
    isOn<K extends string & keyof AppFeatures = string>(key: K): boolean;
    isOff<K extends string & keyof AppFeatures = string>(key: K): boolean;
    getFeatureValue<V extends AppFeatures[K], K extends string & keyof AppFeatures = string>(key: K, defaultValue: V): WidenPrimitives<V>;
    evalFeature<V extends AppFeatures[K], K extends string & keyof AppFeatures = string>(id: K): FeatureResult<V | null>;
    logEvent(eventName: string, properties?: EventProperties): void;
    setTrackingCallback(cb: TrackingCallback): void;
    getApiInfo(): [ApiHost, ClientKey];
    getClientKey(): string;
    setURL(url: string): void;
    updateAttributes(attributes: Attributes): void;
    setAttributeOverrides(overrides: Attributes): void;
    setForcedVariations(vars: Record<string, number>): Promise<void>;
    setForcedFeatures(map: Map<string, any>): void;
    getUserContext(): UserContext;
    getVersion(): string;
    getDecryptedPayload(): FeatureApiResponse;
    inDevMode(): boolean;
}
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