import { type CSSProperties } from 'react';
import type { ArkmeContentBlock } from '../types.js';
import { type ArkmeFileReception } from '../file-transfer-contract.js';
export declare const arkmeLocalFileUrl: (ref: string, download?: boolean) => string;
export declare function arkmeFileSize(size: number): string;
export declare function arkmeCanPreviewFile(block: ArkmeContentBlock): boolean;
export declare function useArkmeOriginal(block: ArkmeContentBlock | undefined, autoReceive?: boolean, refreshKey?: unknown): {
    reception: ArkmeFileReception;
    localRef: string | undefined;
    receive: () => void;
};
export type ArkmeFileActionNoticeKind = 'progress' | 'success' | 'error';
export interface ArkmeFileActionNotice {
    message: string;
    kind: ArkmeFileActionNoticeKind;
}
export type ArkmeFileActionNoticeHandler = (notice: ArkmeFileActionNotice) => void;
export declare function useArkmeFileActionNotice(durationMs?: number): {
    notice: ArkmeFileActionNotice | undefined;
    showNotice: (next: ArkmeFileActionNotice) => void;
    clearNotice: () => void;
};
export declare function ArkmeFileActionToast({ notice, style }: {
    notice: ArkmeFileActionNotice | undefined;
    style?: CSSProperties | undefined;
}): import("react").JSX.Element | null;
export declare function arkmeClipboardImageBlob(blob: Blob): Promise<Blob>;
export declare function ArkmeFileActionNavButton({ label, direction, disabled, onClick }: {
    label: string;
    direction: 'left' | 'right';
    disabled: boolean;
    onClick: () => void;
}): import("react").JSX.Element;
export declare function ArkmeFileActions({ block, original, copySourceUrl, onImageCopyNotice, onDownloadNotice, showDownloadStatus, hideDownloadAfterSave, style }: {
    block: ArkmeContentBlock;
    original: ReturnType<typeof useArkmeOriginal>;
    copySourceUrl?: string | undefined;
    onImageCopyNotice?: ArkmeFileActionNoticeHandler | undefined;
    onDownloadNotice?: ArkmeFileActionNoticeHandler | undefined;
    showDownloadStatus?: boolean;
    hideDownloadAfterSave?: boolean;
    style?: CSSProperties | undefined;
}): import("react").JSX.Element;
export interface ArkmePreviewNavigation {
    previous?: () => void;
    next?: () => void;
}
export declare function ArkmeFileViewer({ block, onClose, blocks, onSelect, openLocalFile, forceDownload, navigation }: {
    navigation?: ArkmePreviewNavigation | undefined;
    block: ArkmeContentBlock;
    onClose: () => void;
    blocks?: ArkmeContentBlock[];
    onSelect?: (block: ArkmeContentBlock) => void;
    openLocalFile?: boolean;
    forceDownload?: boolean;
}): import("react").ReactPortal;
//# sourceMappingURL=ArkmeFileViewer.d.ts.map