/**
 * Edge/cloud environment resolution.
 *
 * Prefers edge reporter metrics when available, falls back to cloud.
 */
import type { EnvConfig } from './environments.js';
/** Resolve whether to use edge or cloud metrics (global). */
export declare function resolveMetricsEnv(env: EnvConfig, timeoutMs?: number): Promise<'edge' | 'cloud'>;
/**
 * Resolve whether to use edge or cloud metrics for specific filters.
 *
 * `timeoutMs` is accepted for API parity with resolveMetricsEnv but defaults to
 * the shared 30s backend-fetch budget on purpose: this is an edge/cloud
 * CLASSIFICATION probe, and a too-tight deadline that times out on a slow-but-
 * working backend would misclassify edge→cloud and silently empty the caller's
 * results. Correctness over a few seconds for a probe that is milliseconds on a
 * healthy backend.
 */
export declare function resolveMetricsEnvFiltered(env: EnvConfig, filters: Record<string, string>, timeoutMs?: number): Promise<'edge' | 'cloud'>;