import { Container, ContainerResources, ElasticityStrategy, SloCompliance, SloTarget, VerticalElasticityStrategyConfig } from '../../../../../model';
import { OrchestratorClient } from '../../../../../orchestrator';
import { PolarisRuntime } from '../../../../../runtime';
import { StabilizationWindowTracker } from '../../../common';
import { SloComplianceElasticityStrategyControllerBase } from './slo-compliance-elasticity-strategy-controller.base';
/**
 * Common superclass for controller for executing an elasticity strategy that employs vertical scaling.
 */
export declare abstract class VerticalElasticityStrategyControllerBase<T extends SloTarget, C extends VerticalElasticityStrategyConfig> extends SloComplianceElasticityStrategyControllerBase<T, C> {
    /** The client for accessing orchestrator resources. */
    protected orchClient: OrchestratorClient;
    /** The `PolarisRuntime` instance. */
    protected polarisRuntime: PolarisRuntime;
    /** Tracks the stabilization windows of the ElasticityStrategy instances. */
    protected stabilizationWindowTracker: StabilizationWindowTracker<ElasticityStrategy<SloCompliance, T, C>>;
    private evictionInterval;
    constructor(polarisRuntime: PolarisRuntime);
    /**
     * Computes the new resources for the specified `container` using the configuration from the `elasticityStrategy` instance.
     *
     * The resource numbers calculated by this method will be normalized by `VerticalElasticityStrategyControllerBase`
     * to fit into the limits defined by the `elasticityStrategy` instance.
     *
     * @param elasticityStrategy The current elasticity strategy instance.
     * @param container The container, for which to compute the resources.
     * @returns A promise that resolves to the new resources that should be configured for the container.
     */
    abstract computeResources(elasticityStrategy: ElasticityStrategy<SloCompliance, T, C>, container: Container): Promise<ContainerResources>;
    execute(elasticityStrategy: ElasticityStrategy<SloCompliance, T, C>): Promise<void>;
    onElasticityStrategyDeleted?(elasticityStrategy: ElasticityStrategy<SloCompliance, T, C>): void;
    onDestroy?(): void;
    /**
     * @returns `config.scaleUpPercent` or, if it is not set, its default value.
     */
    protected getScaleUpPercentOrDefault(config: VerticalElasticityStrategyConfig): number;
    /**
     * @returns `config.scaleDownPercent` or, if it is not set, its default value.
     */
    protected getScaleDownPercentOrDefault(config: VerticalElasticityStrategyConfig): number;
    private loadTarget;
    private normalizeResources;
    /**
     * @returns `true` if the upcoming scaling action is outside of the stabilization window of the `elasticityStrategy`.
     */
    private checkIfOutsideStabilizationWindow;
}