import type { SimEvent } from '../../types/events.ts';
import { ComponentType } from '../../types/components.ts';
import type { SimComponent, SimContext, ComponentConfig, ComponentMetrics } from '../../types/components.ts';
import type { DatabaseConfig } from '../../types/configs.ts';
/**
 * Database component: processes work units with separate read/write latency
 * distributions, connection pool limits, and load-dependent latency scaling.
 */
export declare class Database implements SimComponent {
    readonly id: string;
    readonly type = ComponentType.DATABASE;
    readonly config: ComponentConfig;
    private dbConfig;
    private activeConnections;
    private waitQueue;
    private crashed;
    private latencySpikeMultiplier;
    private totalProcessed;
    private totalRejected;
    constructor(id: string, dbConfig: DatabaseConfig);
    handleEvent(event: SimEvent, context: SimContext): SimEvent[];
    private handleArrival;
    private handleDeparture;
    private startProcessing;
    private computeServiceTime;
    private getUtilization;
    private recordUtilization;
    setCrashed(crashed: boolean): void;
    setLatencySpike(multiplier: number): void;
    getMetrics(): ComponentMetrics;
    reset(): void;
}
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