import { FeatureRolloutStrategy, FeatureRolloutStrategyAttribute } from './models';
import { ClientContext } from './client_context';
export interface PercentageCalculator {
    determineClientPercentage(percentageText: string, featureId: string): number;
}
export declare class Murmur3PercentageCalculator implements PercentageCalculator {
    private readonly MAX_PERCENTAGE;
    determineClientPercentage(percentageText: string, featureId: string): number;
}
export declare class Applied {
    readonly matched: boolean;
    readonly value: any;
    constructor(matched: boolean, value: any);
}
export interface StrategyMatcher {
    match(suppliedValue: string, attr: FeatureRolloutStrategyAttribute): boolean;
}
export interface MatcherRepository {
    findMatcher(attr: FeatureRolloutStrategyAttribute): StrategyMatcher;
}
export declare class MatcherRegistry implements MatcherRepository {
    findMatcher(attr: FeatureRolloutStrategyAttribute): StrategyMatcher;
}
export declare class ApplyFeature {
    private readonly _percentageCalculator;
    private readonly _matcherRepository;
    constructor(percentageCalculator?: PercentageCalculator, matcherRepository?: MatcherRepository);
    apply(strategies: FeatureRolloutStrategy[] | undefined, key: string, featureValueId: string, context?: ClientContext): Applied;
    static determinePercentageKey(context: ClientContext, percentageAttributes: Array<string> | undefined | null): string;
    private matchAttribute;
}