/**
 * Shared utility functions for simulation components.
 *
 * Centralizes logic that would otherwise be duplicated across Server,
 * Database, Cache, Queue, and LoadBalancer components.
 */
import type { SimEvent, WorkUnit } from '../../types/events.ts';
import type { SimContext } from '../../types/components.ts';
import type { Distribution, LoadDependentLatency } from '../../types/configs.ts';
/**
 * Create a departure event directed back to the work unit's originating client.
 */
export declare function createDepartureToOrigin(workUnit: WorkUnit, context: SimContext, failed: boolean): SimEvent;
/**
 * Sample from a probability distribution using the context's seeded PRNG.
 *
 * Implements inverse transform sampling for exponential, Box-Muller for
 * log-normal, and linear mapping for uniform.
 */
export declare function sampleDistribution(dist: Distribution, context: SimContext): number;
/**
 * Apply load-dependent latency scaling to a base service time.
 *
 * Utilization (u) is typically activeConnections / poolSize, in [0, 1].
 * - Linear:      base × (1 + factor × u)
 * - Polynomial:  base × (1 + factor × u^exponent)
 * - Exponential: base × e^(factor × u)
 */
export declare function applyLoadDependentLatency(base: number, utilization: number, config: LoadDependentLatency): number;
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