import type { LanguageModel } from "ai";
import type { HarnessSession, ToolLoopHarnessConfig } from "#harness/types.js";
import { contextStorage } from "#context/container.js";
import type { ModelProfile } from "#harness/model-profile.js";
/**
 * Builds AI Gateway app attribution headers, including eve's User-Agent product token, for a
 * Gateway-routed model. Direct-provider models receive no Gateway-specific headers.
 */
export declare function buildGatewayAttributionHeaders(profile: ModelProfile, runtimeIdentity: ToolLoopHarnessConfig["runtimeIdentity"]): Record<string, string> | undefined;
export declare function resolveEffectiveRuntimeModel(input: {
    readonly config: ToolLoopHarnessConfig;
    readonly ctx: ReturnType<typeof contextStorage.getStore>;
    readonly session: HarnessSession;
}): Promise<{
    readonly model: LanguageModel;
    readonly session: HarnessSession;
}>;