import { type CodexModelCandidate, type CodexStartupSelection, type ModelCapabilityMetadata, type ModelSelectionSignals } from "@velum-labs/routekit-contracts";
import { Effect } from "effect";
import { HttpClient } from "effect/unstable/http";
export type OpenRouterModelMetadata = ModelCapabilityMetadata & Pick<ModelSelectionSignals, "createdAt">;
export type OpenRouterModelMetadataClientOptions = {
    now?: () => number;
    freshMs?: number;
    staleMs?: number;
    timeoutMs?: number;
    baseUrl?: string;
};
export declare class OpenRouterModelMetadataClient {
    #private;
    constructor(options?: OpenRouterModelMetadataClientOptions);
    models(signal?: AbortSignal): Effect.Effect<ReadonlyMap<string, OpenRouterModelMetadata>, Error, HttpClient.HttpClient>;
}
export type ResolvedCodexStartupSelection = CodexStartupSelection & {
    models: readonly CodexModelCandidate[];
};
export declare function resolveCodexStartupModel(input: {
    models: readonly CodexModelCandidate[];
    preferredModel?: string;
    requestedModel?: string;
    signal?: AbortSignal;
}, dependencies?: {
    openRouter?: OpenRouterModelMetadataClient;
}): Effect.Effect<ResolvedCodexStartupSelection, Error, HttpClient.HttpClient>;