import { EventEmitter } from '../../stencil-public-runtime';
import { ImageSize, ImageObjectFit } from './exports';
/**
 * Displays a responsive image with configurable size, object-fit, optional caption, and accessible alt text.
 *
 * Example
 * ```
 * <r-image src="photo.jpg" alt="A scenic landscape" size="medium"></r-image>
 * ```
 *
 * @part image - The `<img>` element
 * @part figure - The `<figure>` wrapper element
 * @part caption - The `<figcaption>` element
 */
export declare class RImage {
    el: HTMLElement;
    /** URL of the image to display */
    src: string;
    /** Visual size */
    size: ImageSize;
    /** Width of the image */
    width?: string;
    /** Height of the image */
    height?: string;
    /** Controls how the image is cropped/scaled within its box */
    objectFit: ImageObjectFit;
    /** Controls the anchor point of the image within its box. Accepts any CSS object-position value, e.g. 'top', 'center', '50% 20%'. */
    objectPosition?: string;
    /** Accessible description of the image */
    alt?: string;
    /** Accessible label for the loading state */
    loadingAlt: string;
    /** Accessible label for the error state */
    errorAlt: string;
    /** Text to be shown in the error state for medium and large images */
    reloadText: string;
    /** Text displayed as an image caption (if size of an image is not "small"). */
    caption?: string;
    /** Emitted when the image starts loading */
    rLoading: EventEmitter<void>;
    /** Emitted when the image has successfully loaded */
    rComplete: EventEmitter<void>;
    /** Emitted when the image fails to load */
    rFailed: EventEmitter<void>;
    /** Emitted when the src property changes */
    rSrcChange: EventEmitter<string>;
    private loading;
    private error;
    private uniqueId;
    private handleComplete;
    private handleError;
    handleSrcChange(): void;
    /** Updates the image src */
    setSrc(src: string): Promise<void>;
    /** Sets UI of the component into loading state. */
    setLoading(): Promise<void>;
    /** Sets UI of the component into error state. */
    setError(): Promise<void>;
    componentWillLoad(): void;
    render(): any;
}