import { Spacing } from '../enums.js';
import type { Media, MediaSource, AdaptiveElement } from '../models.js';
/** Fluent builder for {@link Media} elements. */
export declare class MediaBuilder {
    private readonly media;
    /** Sets the unique identifier. @param id The unique identifier. @returns The builder instance for method chaining. */
    withId(id: string): this;
    /** Sets the poster image URL displayed before playback. @param poster The poster URL. @returns The builder instance for method chaining. */
    withPoster(poster: string): this;
    /** Sets the alternate text for accessibility. @param altText The alt text. @returns The builder instance for method chaining. */
    withAltText(altText: string): this;
    /** Sets the spacing above the element. @param spacing The spacing value. @returns The builder instance for method chaining. */
    withSpacing(spacing: Spacing): this;
    /** Sets whether a separator line is displayed above the element. @param separator True to show a separator. @returns The builder instance for method chaining. */
    withSeparator(separator?: boolean): this;
    /** Sets whether the element is visible. @param isVisible True to show the element. @returns The builder instance for method chaining. */
    withIsVisible(isVisible: boolean): this;
    /** Sets the height of the element. @param height The height ('auto' or 'stretch'). @returns The builder instance for method chaining. */
    withHeight(height: string): this;
    /** Sets the fallback behavior when the element is unsupported. @param fallback The fallback value ('drop' or an element). @returns The builder instance for method chaining. */
    withFallback(fallback: 'drop' | AdaptiveElement): this;
    /** Sets the feature requirements for the element. @param key The feature name. @param version The minimum required version. @returns The builder instance for method chaining. */
    withRequires(key: string, version: string): this;
    /** Sets whether content should be laid out right-to-left. @param rtl True for RTL. @returns The builder instance for method chaining. */
    withRtl(rtl?: boolean): this;
    /** Adds a caption source for subtitles or captions (v1.6+). @param url The URL of the caption file. @param mimeType The MIME type of the caption file. @param label The display label for the caption track. @returns The builder instance for method chaining. */
    addCaptionSource(url: string, mimeType: string, label: string): this;
    /** Adds a media source with a URL and MIME type. @param url The media URL. @param mimeType The MIME type of the source. @returns The builder instance for method chaining. */
    addSource(url: string, mimeType: string): this;
    /** Adds a pre-built MediaSource object. @param source A pre-built MediaSource. @returns The builder instance for method chaining. */
    addSource(source: MediaSource): this;
    /** Builds and returns the configured Media element. @returns The configured Media instance. */
    build(): Media;
}
//# sourceMappingURL=MediaBuilder.d.ts.map