import type { EvaluationDetails, FlagValue, Hook, HookContext } from '@openfeature/web-sdk';
import type { CollectorManager } from './collector-manager';
export declare class GoFeatureFlagDataCollectorHook implements Hook {
    private collectorManagger?;
    constructor(collectorManager: CollectorManager);
    after(hookContext: HookContext, evaluationDetails: EvaluationDetails<FlagValue>): void;
    error(hookContext: HookContext): void;
}