import type Layer from "@arcgis/core/layers/Layer";
import type MediaLayer from "@arcgis/core/layers/MediaLayer.js";
import type { Schema } from "../data/Schema.js";
import type { MediaLayerJson } from "../json/MediaLayerJson.js";
import type { PropertyDefs } from "../support/Serializable.js";
import type { LayerExtensionProperties, LayerProperties } from "./_LayerExtension.js";
import { LayerExtension } from "./_LayerExtension.js";
/**
 * Properties that can be passed into the constructor for
 * {@link MediaLayerExtension}.
 */
export interface MediaLayerExtensionProperties extends LayerExtensionProperties {
    /**
     * The Esri MediaLayer object being extended.
     */
    layer?: MediaLayer | (MediaLayerJson & LayerProperties);
}
/**
 * Extends the capabilities of an Esri MediaLayer object.
 */
export declare class MediaLayerExtension extends LayerExtension<MediaLayerExtensionProperties> {
    get layer(): MediaLayer;
    protected _getSerializableProperties(): PropertyDefs<MediaLayerExtensionProperties>;
    /**
     * @inheritDoc
     */
    protected _isSupportedLayer(layer: Layer): boolean;
    protected _createSchema(): Schema;
}
