/**
 * Safe cloud default — FR-022 fallback selector.
 *
 * Selects the first healthy economical-cloud model from the fleet,
 * falling back to frontier-cloud only when no economical model is available.
 * Never throws; returns undefined only when the fleet is completely empty or unhealthy.
 *
 * SP-095: when a request is provided, only models that fit context are eligible.
 */
import type { ModelProfile, RoutingRequest } from '../types/index.js';
import { type ContextFitConfig } from '../routing/context-fit.js';
export interface SafeCloudDefaultOptions {
    readonly request?: RoutingRequest;
    readonly contextFitConfig?: ContextFitConfig;
}
/**
 * Select a safe cloud default model from the fleet catalog.
 *
 * Priority order:
 *   1. First healthy economical-cloud model (context-fit aware when request provided)
 *   2. First healthy frontier-cloud model (fallback)
 *   3. undefined (no viable model)
 */
export declare function safeCloudDefault(models: readonly ModelProfile[], options?: SafeCloudDefaultOptions): ModelProfile | undefined;
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