import { ElasticityStrategy } from '../../../../model';
import { ElasticityStrategyExecution, ElasticityStrategyExecutionTracker } from '../../common';
/**
 * Default `ElasticityStrategyExecutionTracker` implementation for tracking.
 *
 * @param E The type of `ElasticityStrategy` that is tracked.
 * @param O The type of operation or description of the operation that is executed for an elasticity strategy.
 */
export declare class DefaultElasticityStrategyExecutionTracker<E extends ElasticityStrategy<any>, O> implements ElasticityStrategyExecutionTracker<E, O> {
    /** The latest execution for each tracked elasticity strategy. */
    private trackedExecutions;
    get trackedElasticityStrategiesCount(): number;
    getLastExecution(elasticityStrategy: E): ElasticityStrategyExecution<E, O>;
    addExecution(elasticityStrategy: E, operation: O): ElasticityStrategyExecution<E, O>;
    removeElasticityStrategy(elasticityStrategy: E): void;
    evictExpiredExecutions(): void;
    private getElasticityStrategyId;
    private hasExpired;
}