export interface ThreadTitleModelConfig {
    api_key?: string;
    base_url?: string;
    provider_id?: string;
    model?: string;
}
export declare function buildFallbackThreadTitle(message: string): string;
export declare function sanitizeGeneratedThreadTitle(value: string): string | null;
export declare function readCodexThreadTitleFromThreadIndex(runtimeThreadId: string | null | undefined, indexPath?: string): string | null;
export declare function readCodexThreadTitleFromStateDb(runtimeThreadId: string | null | undefined, dbPath?: string): string | null;
export declare function usesAnthropicMessagesApi(modelConfig: ThreadTitleModelConfig | null): boolean;
//# sourceMappingURL=thread-title.d.ts.map