import { type APIThumbnailComponent } from '../types';
import { BaseComponentBuilder } from './Base';
/**
 * Represents a thumbnail component builder.
 * Used to display a small image preview, often alongside other content.
 * @example
 * ```ts
 * const thumbnail = new Thumbnail()
 *  .setMedia('https://example.com/thumbnail.jpg')
 *  .setDescription('A cool thumbnail');
 * ```
 */
export declare class Thumbnail extends BaseComponentBuilder<APIThumbnailComponent> {
    /**
     * Constructs a new Thumbnail component.
     * @param data Optional initial data for the thumbnail component.
     */
    constructor(data?: Partial<APIThumbnailComponent>);
    /**
     * Sets whether the thumbnail should be visually marked as a spoiler.
     * @param spoiler Whether the thumbnail is a spoiler (defaults to true).
     * @returns The updated Thumbnail instance.
     */
    setSpoiler(spoiler?: boolean): this;
    /**
     * Sets the description for the thumbnail.
     * @param description The description text. Can be undefined to remove the description.
     * @returns The updated Thumbnail instance.
     */
    setDescription(description: string | undefined): this;
    /**
     * Sets the ID for the thumbnail component.
     * @param id The ID to set.
     * @returns The updated Thumbnail instance.
     */
    setId(id: number): this;
    /**
     * Sets the media URL for the thumbnail.
     * @param url The URL of the image to display as a thumbnail.
     * @returns The updated Thumbnail instance.
     */
    setMedia(url: string): this;
}