import { Unleash } from "unleash-client";
import winston from "winston";
import { FeatureToggleDTO } from "./dtos/feature-toggle.dto";
import { IFeatureControlContext } from "./interfaces/feature-control-context.interface";
export declare class FeatureControlService {
    private readonly loggerService;
    private readonly unleashClient;
    constructor(loggerService: winston.Logger, unleashClient: Unleash);
    getFeatures({ userID }: {
        userID?: number;
    }): FeatureToggleDTO[];
    getFeature(name: string, { userID, }?: {
        userID?: number;
    }): FeatureToggleDTO | undefined;
    /**
     * Use the intercept http header transfer them to the feature control context.
     */
    isEnabled(name: string): boolean;
    isEnabledUsingContext(name: string, explicitContext: IFeatureControlContext): boolean;
    isEnabledUsingMergedContext(name: string, explicitContext: IFeatureControlContext): boolean;
}
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