export declare const dropzone: "dropzone";
export declare const action: "action";
export declare const kinds: readonly ["dropzone", "action"];
export type FileUploadKind = typeof kinds[number];
export declare const listSizes: readonly ["md", "lg"];
export type FileUploadListSize = typeof listSizes[number];
export declare const uploading: "uploading";
export declare const success: "success";
export declare const uploaded: "uploaded";
export declare const error: "error";
export declare const listItemStates: readonly ["uploading", "success", "uploaded", "error"];
export type FileUploadListItemState = typeof listItemStates[number];
export interface FileItem {
    id: string;
    fileName: string;
    fileSize: string;
    state: FileUploadListItemState;
    progress: number;
    thumbnail?: string;
    error?: string;
}
export interface FileUploadParams {
    accept?: string;
    fileLimit?: number;
    maxFileSize?: number;
}
export interface FileActions {
    progress(progress: number): void;
    success(): void;
    error(error: string): void;
    dismiss(): void;
}
export interface FilesState {
    fileItems: FileItem[];
    abortControllers: AbortController[];
    files: File[];
    shouldAddToFormData: boolean[];
    validFileCount: number;
}
export declare const getFormData: (name: string, filesState: FilesState) => FormData;
export type AddFilesAction = {
    type: 'add';
    payload: Array<{
        fileItem: FileItem;
        abortController: AbortController;
        file: File;
        shouldAddToFormData: boolean;
    }>;
};
export type RemoveFileAction = {
    type: 'remove';
    payload: FileItem;
};
export type UpdateFileAction = {
    type: 'update';
    payload: {
        fileItem: FileItem;
        updates: Partial<FileItem>;
    };
};
export type FilesAction = AddFilesAction | RemoveFileAction | UpdateFileAction;
export declare const initialState: FilesState;
export interface FileUploadContextValue {
    ctxAccept?: string;
    ctxMultiple?: boolean;
    ctxFileLimit?: number;
    ctxMaxFileSize?: number;
    ctxAddFiles?(files: FileList): void;
    ctxDismissFile?(file: FileItem): void;
    ctxFileItems?: FileItem[];
    ctxError?: boolean;
    ctxDisabled?: boolean;
}
export interface FileUploadListContextValue {
    ctxThumbnail?: boolean;
    ctxSize?: FileUploadListSize;
    ctxDisabled?: boolean;
}
export declare function convertBytesToFriendly(bytes: number): string;
export declare const validateFile: (file: File, fileCount: number, { accept, fileLimit, maxFileSize }: FileUploadParams) => string | undefined;
export declare const createFileItem: (file: File, { state, error, }: {
    state: FileUploadListItemState;
    error?: string;
}) => FileItem;
type ThumbnailGenerator = (file: File, callback: (thumbnail: string) => void) => undefined | string;
export declare const generateThumbnail: ThumbnailGenerator;
export declare function dismissFile(file: FileItem, dispatch: (action: FilesAction) => void): void;
export declare function addFiles(files: FileList | null, dispatch: (action: FilesAction) => void, validFileCount: number, accept?: string, fileLimit?: number, maxFileSize?: number, initialFileItemState?: FileUploadListItemState, onUpload?: (file: File, actions: FileActions, signal: AbortSignal) => boolean | void | undefined): void;
export declare function filesReducer(state: FilesState, action: FilesAction): FilesState;
export {};