import { Ref } from 'vue';
import { Emitter } from 'mitt';
import { Reactive } from '../common/common';
import { Events, Edges, NodePositions, Nodes } from '../common/types';
import { Configs } from '../common/configs';
import { SvgPanZoomInstance } from '../modules/svg-pan-zoom-ex';
export interface LayoutActivateParameters {
    layouts: Reactive<NodePositions>;
    nodePositions: Ref<NodePositions>;
    nodes: Ref<Nodes>;
    edges: Ref<Edges>;
    configs: Readonly<Configs>;
    scale: Readonly<Ref<number>>;
    emitter: Emitter<Events>;
    svgPanZoom: SvgPanZoomInstance;
}
export interface LayoutHandler {
    activate(parameters: LayoutActivateParameters): void;
    deactivate(): void;
}