import type { CSSProperties, Ref, VNodeChild } from 'vue';
import type { ImageGroupProps } from '../../image';
import type { MergedTheme } from '../../_mixins';
import type { UploadTheme } from '../styles';
import type { UploadCustomRequestOptions, UploadFileInfo, UploadOnDownload, UploadOnFinish, UploadOnRemove, UploadSettledFileInfo } from './public-types';
export type ShouldUseThumbnailUrl = (file: UploadSettledFileInfo) => boolean;
export type FuncOrRecordOrUndef<T = string> = Record<string, T> | (({ file }: {
    file: UploadSettledFileInfo;
}) => Record<string, T>) | undefined;
export interface UploadInternalInst {
    doChange: DoChange;
    xhrMap: Map<string, XMLHttpRequest>;
    isErrorState: ((xhr: XMLHttpRequest) => boolean) | undefined;
    onError: OnError | undefined;
    onFinish: UploadOnFinish | undefined;
}
export type DoChange = (fileAfterChange: UploadSettledFileInfo, event?: ProgressEvent | Event, options?: {
    append?: boolean;
    remove?: boolean;
}) => void;
export type OnUpdateFileList = (fileList: UploadSettledFileInfo[]) => void;
export type RenderIcon = (file: UploadSettledFileInfo) => VNodeChild;
export interface UploadInjection {
    mergedClsPrefixRef: Ref<string>;
    mergedThemeRef: Ref<MergedTheme<UploadTheme>>;
    showCancelButtonRef: Ref<boolean>;
    showRemoveButtonRef: Ref<boolean>;
    showDownloadButtonRef: Ref<boolean>;
    showRetryButtonRef: Ref<boolean>;
    showTriggerRef: Ref<boolean>;
    mergedFileListRef: Ref<UploadSettledFileInfo[]>;
    onRemoveRef: Ref<UploadOnRemove | undefined>;
    onDownloadRef: Ref<UploadOnDownload | undefined>;
    xhrMap: Map<string, XMLHttpRequest>;
    showPreviewButtonRef: Ref<boolean>;
    onPreviewRef: Ref<OnPreview | undefined>;
    listTypeRef: Ref<ListType>;
    dragOverRef: Ref<boolean>;
    draggerInsideRef: {
        value: boolean;
    };
    fileListClassRef: Ref<string | undefined>;
    fileListStyleRef: Ref<string | CSSProperties | undefined>;
    mergedDisabledRef: Ref<boolean>;
    maxReachedRef: Ref<boolean>;
    abstractRef: Ref<boolean>;
    imageGroupPropsRef: Ref<ImageGroupProps | undefined>;
    cssVarsRef: undefined | Ref<CSSProperties>;
    themeClassRef: undefined | Ref<string>;
    mergedDirectoryDndRef: Ref<boolean>;
    acceptRef: Ref<string | undefined>;
    triggerClassRef: Ref<string | undefined>;
    triggerStyleRef: Ref<CSSProperties | string | undefined>;
    doChange: DoChange;
    onRender: undefined | (() => void);
    submit: (fileId?: string) => void;
    shouldUseThumbnailUrlRef: Ref<ShouldUseThumbnailUrl>;
    getFileThumbnailUrlResolver: (file: UploadSettledFileInfo) => Promise<string> | string;
    renderIconRef: Ref<RenderIcon | undefined>;
    handleFileAddition: (files: FileAndEntry[] | null, e?: Event) => void;
    openOpenFileDialog: () => void;
}
export declare const uploadInjectionKey: import("vue").InjectionKey<UploadInjection>;
export interface XhrHandlers {
    handleXHRLoad: (e: ProgressEvent) => void;
    handleXHRAbort: (e: ProgressEvent) => void;
    handleXHRProgress: (e: ProgressEvent) => void;
    handleXHRError: (e: ProgressEvent) => void;
}
export type OnBeforeUpload = (data: {
    file: UploadSettledFileInfo;
    fileList: UploadSettledFileInfo[];
}) => Promise<boolean | void> | boolean | void;
export type ListType = 'text' | 'image' | 'image-card';
export type OnPreview = (file: UploadSettledFileInfo, detail: {
    event: MouseEvent;
}) => void;
export type CreateThumbnailUrl = (file: File | null, fileInfo: UploadSettledFileInfo) => Promise<string> | string | undefined;
export type CustomRequest = (options: UploadCustomRequestOptions) => void;
export type OnError = ({ file, event }: {
    file: UploadSettledFileInfo;
    event?: ProgressEvent;
}) => UploadFileInfo | undefined | void;
export interface FileAndEntry {
    file: File;
    entry: FileSystemFileEntry | null;
    source: 'dnd' | 'input';
}