import type { ModelRuntime } from "../../provider/types.js";
export declare const AUTO_AGENT_MODEL = "auto";
export declare const DEFAULT_AGENT_MODEL = "openai/gpt-5.4-nano";
export declare function normalizeAgentModelConfig(model?: string): string;
export declare function resolveConfiguredAgentModel(model?: string): string;
/** Resolve the provider-options key used by the effective model runtime. */
export declare function resolveModelProviderOptionKey(model?: string, runtime?: ModelRuntime): string | undefined;
/**
 * Resolve the effective runtime model string for agent execution.
 *
 * Runtime-only rewrites happen here:
 * - `auto` uses Veryfront Cloud when bootstrap is available, otherwise a
 *   configured direct provider key when one exists
 * - explicit hosted-provider models (`openai/*`, `anthropic/*`, `google/*`)
 *   transparently route through `veryfront-cloud/*` when the runtime has
 *   request-scoped Veryfront bootstrap but no direct provider API key
 */
export declare function resolveRuntimeModel(model?: string): string;
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