import DynamicConfig from './DynamicConfig';
import Layer from './Layer';
import { CheckGateOptions, GetExperimentOptions, GetLayerOptions, InitializeResult } from './StatsigClient';
import { SynchronousStatsigOptions, StatsigOptions } from './StatsigSDKOptions';
import { EvaluationDetails } from './EvaluationMetadata';
import { StatsigUser } from './StatsigUser';
import { UserPersistedValues } from './utils/StickyValuesStorage';
export { default as DynamicConfig } from './DynamicConfig';
export { StatsigEnvironment, StatsigOptions, UserPersistentStorageInterface, } from './StatsigSDKOptions';
export { EvaluationReason } from './EvaluationMetadata';
export type { EvaluationDetails } from './EvaluationMetadata';
export { StatsigUser } from './StatsigUser';
export type { CheckGateOptions, GetExperimentOptions, GetLayerOptions, InitializeResult, UserPersistedValues, };
export default class Statsig {
    private static instance;
    static initializeAsync(sdkKey: string, options?: StatsigOptions | null): Promise<InitializeResult>;
    static initialize(sdkKey: string, options: SynchronousStatsigOptions): InitializeResult;
    static checkGate(user: StatsigUser, gateName: string, options?: CheckGateOptions): boolean;
    static manuallyLogGateExposure(user: StatsigUser, gateName: string): void;
    static getConfig(user: StatsigUser, configName: string): DynamicConfig;
    static manuallyLogConfigExposure(user: StatsigUser, configName: string): void;
    static getExperiment(user: StatsigUser, experimentName: string, options?: GetExperimentOptions): DynamicConfig;
    static manuallyLogExperimentExposure(user: StatsigUser, configName: string): void;
    static loadUserPersistedValues(user: StatsigUser, idType: string): UserPersistedValues;
    static loadUserPersistedValuesAsync(user: StatsigUser, idType: string): Promise<UserPersistedValues>;
    static getLayer(user: StatsigUser, layerName: string, options?: GetLayerOptions): Layer;
    static manuallyLogLayerParameterExposure(user: StatsigUser, layerName: string, parameterName: string): void;
    static logEvent(user: StatsigUser, eventName: string, value?: string | number | null, metadata?: Record<string, string> | null): void;
    static shutdown(): void;
    /**
     * @returns The Statsig stable ID used for device level experiments
     */
    static getStableID(): string;
    /**
     *
     * @returns The reason and time associated with the evaluation for the current set
     * of gates and configs
     */
    static getEvaluationDetails(): EvaluationDetails;
    /**
     *
     * @returns true if initialize has already been called, false otherwise
     */
    static initializeCalled(): boolean;
}