import { Plugin } from 'prosemirror-state';
import { RteFeatureImpl } from '../feature';
import { RteInstanceImpl } from '../instance';
export interface RteDropHandlerConfig {
    onViewportDragOver?: (event: DragEvent) => boolean;
    onViewportDrop?: (event: DragEvent) => void;
    onViewportDragFinish?: () => void;
}
export declare class RteDropHandlerFeatureImpl extends RteFeatureImpl {
    readonly config: RteDropHandlerConfig;
    name: string;
    constructor(config: RteDropHandlerConfig);
    getPlugins(rte: RteInstanceImpl): {
        priority: number;
        featureName: string;
        value: Plugin<any>;
    }[];
}
export declare const RteDropHandlerFeature: {
    new (config: RteDropHandlerConfig): {};
};