import { FileLoader, Loader } from 'three/webgpu';
import { type GainMapMetadata } from '../../../core/types';
import { GainMapNode } from '../nodes/GainMapNode';
/**
 * Base class for loaders returning a {@link GainMapNode}
 * @template TUrl - The type of URL used to load resources
 */
export declare abstract class LoaderBaseNode<TUrl = string> extends Loader<GainMapNode, TUrl> {
    /**
     * @private
     * @param responseType
     */
    protected createFileLoader(responseType?: 'arraybuffer'): FileLoader<string | ArrayBuffer>;
    /**
     * Decodes the images and feeds them to the node, together with the metadata
     *
     * @private
     * @param node
     * @param metadata
     * @param sdrBuffer
     * @param gainMapBuffer
     */
    protected fillNode(node: GainMapNode, metadata: GainMapMetadata, sdrBuffer: ArrayBuffer, gainMapBuffer?: ArrayBuffer): Promise<void>;
}