import { LitElement } from 'lit';
export declare class NileRteImage extends LitElement {
    protected createRenderRoot(): this;
    editorEl: HTMLElement;
    disabled: boolean;
    label: string;
    placeholder: string;
    altPlaceholder: string;
    captionPlaceholder: string;
    maxFileSize: number;
    uploadFromComputer: boolean;
    private srcValue;
    private altValue;
    private captionValue;
    private hasActiveImage;
    private uploadedFileName;
    private errorMessage;
    private popoverStyle;
    private selectionRange;
    private activeFigure;
    private ignoreBlur;
    private isApplying;
    private selectedFigure;
    private resizeOverlay;
    private dragStartX;
    private dragStartWidth;
    private dragDir;
    private isDragging;
    private trackingRaf;
    connectedCallback(): void;
    private injectCss;
    protected updated(changed: Map<string, any>): void;
    disconnectedCallback(): void;
    private onEditorInput;
    private onEditorImagePaste;
    private insertPastedImage;
    private isSafeSrc;
    private normalizeSrc;
    private getSelectionRect;
    private positionPopover;
    private onScroll;
    private openPopover;
    private closePopover;
    private onEditorImageClick;
    private onEditorImageDblClick;
    private openEditFor;
    private getToolbarButtonRect;
    private selectImage;
    private deselectImage;
    private onDocKeydown;
    private onSelectedImageLoad;
    private startOverlayTracking;
    private stopOverlayTracking;
    private onDocMousedown;
    private buildOverlay;
    private updateOverlayPosition;
    private onAlignClick;
    private syncAlignBar;
    private onHandleMousedown;
    private onDragMove;
    private onDragEnd;
    private getEditorContentWidth;
    private onOpen;
    private onInputKeydown;
    private onInputBlur;
    private onSrcInput;
    private onAltInput;
    private onCaptionInput;
    private onPopoverMousedown;
    private onPopoverMouseup;
    private onToolbarButtonMousedown;
    private onUploadClick;
    private onFileChange;
    private onApplyClick;
    private onRemoveClick;
    private buildFigure;
    private insertFigureAt;
    private applyImage;
    private removeImage;
    private emit;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'nile-rte-image': NileRteImage;
    }
}