import { LitElement, nothing, PropertyValues, TemplateResult } from 'lit';
import { Ref } from 'lit/directives/ref.js';
import './ix-file-chip.js';
import DataStorageUnit from './data-storage-unit.js';
import UploaderFile from './internal/uploader-file.js';
import '@digital-realty/ix-dialog/ix-dialog.js';
export declare class IxFileUploader extends LitElement {
    static readonly styles: import("lit").CSSResult[];
    /** @nocollapse  */
    static readonly formAssociated = true;
    private readonly internals;
    dropzoneRef: Ref<HTMLInputElement>;
    fileRef: Ref<HTMLInputElement>;
    showTemplateFileLink: boolean;
    allowMultipleFiles: boolean;
    allowDuplicates: boolean;
    headerText: string;
    bodyText: string;
    hintText: string | undefined;
    defaultFiles: Array<UploaderFile>;
    allowDeleteDefaultFiles: boolean;
    hideBody: boolean;
    extensions: string[];
    maxFileCount: number;
    maxFileSizeUnit: DataStorageUnit;
    maxFileSizeValue: number;
    name: string;
    error: boolean;
    askConfirmationOnDeleteFile: boolean;
    deleteConfirmationDialogLabel: string;
    isDeleteBulkFileDialogOpen: boolean;
    pendingFileDeletion: UploaderFile | undefined;
    files: Array<UploaderFile>;
    errors: Array<string>;
    private maxFileSizeInBytes;
    /**
     * The associated form element with which this element's value will submit.
     */
    get form(): HTMLFormElement | null;
    private onDrop;
    private onFileChange;
    get allowedMaxFileCount(): number;
    private process;
    private updateState;
    private onFilesUploaded;
    private onFileClick;
    private onFileDelete;
    handleDeleteBulkFile(): void;
    deleteLastFileWithoutConfirmation(): void;
    private openFileUploadDialog;
    protected firstUpdated(): void;
    protected update(changedProperties: PropertyValues): void;
    isFileDeletable(file: UploaderFile): boolean;
    private renderFileList;
    protected updated(_: PropertyValues): void;
    renderDeleteBulkFileConfirmationDialog(): TemplateResult<1> | typeof nothing;
    renderHintText(): TemplateResult<1> | typeof nothing;
    renderErrors(): TemplateResult<1>;
    renderBody(): TemplateResult<1>;
    protected render(): TemplateResult<1>;
}