import { FileBrowserEntry } from './file-browser-types.js';
export interface CustomerStorageObject {
    key: string;
    size?: number;
    uploaded?: Date | string;
}
export interface CustomerStorageUsage {
    bytes: number;
    files: number;
}
export interface CustomerStorageListPage {
    cursor?: string;
    objects: CustomerStorageObject[];
    truncated: boolean;
}
export type StorageListStopReason = "complete" | "page_limit" | "missing_cursor" | "cursor_loop";
export interface CustomerStorageListDrain {
    complete: boolean;
    nextCursor?: string;
    objects: CustomerStorageObject[];
    stopReason: StorageListStopReason;
    /** Alias of `!complete` for older callers. */
    truncated: boolean;
}
export declare const MAX_STORAGE_LIST_PAGES = 50;
export declare const EMPTY_STORAGE_LIST_DRAIN: CustomerStorageListDrain;
export declare function normalizeStorageObjects(data: unknown): CustomerStorageObject[];
export declare function deriveStorageUsage(objects: readonly CustomerStorageObject[]): CustomerStorageUsage;
export declare function normalizeStorageListPage(data: unknown): CustomerStorageListPage;
export declare function drainStorageListPages(list: (input?: unknown) => Promise<unknown>, input?: {
    prefix?: string;
}): Promise<CustomerStorageListDrain>;
export declare function normalizeObjectPrefix(prefix: string | undefined): string;
export declare function objectsToBrowserEntries(objects: readonly CustomerStorageObject[], prefix?: string): FileBrowserEntry[];
export declare function formatVisibleFolderSummary(entries: readonly FileBrowserEntry[]): string | undefined;