export declare function bumpUploadArmId(): number;
export declare function bumpDialogArmId(): number;
export declare function bumpDownloadArmId(): number;
export declare function requireRef(value: unknown): string;
export declare function requireRefOrSelector(ref: string | undefined, selector: string | undefined): {
    ref?: string;
    selector?: string;
};
export declare function normalizeTimeoutMs(timeoutMs: number | undefined, fallback: number): number;
export declare function toAIFriendlyError(error: unknown, selector: string): Error;