import type { EvaluationContext, Hook, JsonValue, Logger, Provider, ResolutionDetails, Tracking, TrackingEventDetails } from '@openfeature/server-sdk';
import { OpenFeatureEventEmitter } from '@openfeature/server-sdk';
import type { GoFeatureFlagProviderOptions } from './go-feature-flag-provider-options';
export declare class GoFeatureFlagProvider implements Provider, Tracking {
    metadata: {
        name: string;
    };
    readonly runsOn = "server";
    events: OpenFeatureEventEmitter;
    hooks: Hook[];
    /** The options for the provider. */
    private readonly options;
    /** The logger for the provider. */
    private readonly logger?;
    /** The evaluation service for the provider. */
    private readonly evaluator;
    /** The event publisher for the provider. */
    private readonly eventPublisher;
    constructor(options: GoFeatureFlagProviderOptions, logger?: Logger);
    /** @inheritdoc */
    track(trackingEventName: string, context?: EvaluationContext, trackingEventDetails?: TrackingEventDetails): void;
    /** @inheritdoc */
    resolveBooleanEvaluation(flagKey: string, defaultValue: boolean, context: EvaluationContext): Promise<ResolutionDetails<boolean>>;
    /** @inheritdoc */
    resolveStringEvaluation(flagKey: string, defaultValue: string, context: EvaluationContext): Promise<ResolutionDetails<string>>;
    /** @inheritdoc */
    resolveNumberEvaluation(flagKey: string, defaultValue: number, context: EvaluationContext): Promise<ResolutionDetails<number>>;
    resolveObjectEvaluation<T extends JsonValue>(flagKey: string, defaultValue: T, context: EvaluationContext): Promise<ResolutionDetails<T>>;
    /**
     * Start the provider and initialize the event publisher.
     */
    initialize(): Promise<void>;
    /**
     * Dispose the provider and stop the event publisher.
     */
    onClose(): Promise<void>;
    /**
     * Get the evaluator based on the evaluation type specified in the options.
     */
    private getEvaluator;
    /**
     * Initialize the hooks for the provider.
     */
    private initializeHooks;
    /**
     * Validates the input options provided when creating the provider.
     * @param options Options used while creating the provider
     * @throws {InvalidOptionsException} if no options are provided, or we have a wrong configuration.
     */
    private validateInputOptions;
}