export declare const REQUEST_PROGRESS_STEP = 15;
export declare const REQUEST_PROGRESS_INTERVAL_MS = 300;
export declare const REQUEST_PROGRESS_CAP = 90;
/** Inicia animação de progresso (0 → 90). Retorna função de cleanup. */
export declare function startSimulatedProgress(setProgress: (value: number) => void): () => void;
/** Progresso simulado enquanto `active` (ex.: gate upstream antes do HTTP). */
export declare function useRequestLoadingProgress(active: boolean): number;
export declare function completeRequestProgress(setProgress: (value: number) => void): void;