export type EnsureCodexModelCacheResult = {
    action: "seeded" | "created" | "refreshed" | "already_present" | "already_seeded" | "skipped";
    warning?: string;
};
export type CleanupCodexModelCacheResult = {
    action: "removed" | "preserved" | "none";
    warning?: string;
};
export declare function ensureCodexModelCacheHasGpt54(params: {
    codexHome: string;
}): Promise<EnsureCodexModelCacheResult>;
export declare function cleanupSeededCodexModelCache(params: {
    codexHome: string;
}): Promise<CleanupCodexModelCacheResult>;