declare module 'heatmapjs-vue' { import Vue, { PluginFunction, PluginObject } from 'vue' class HeatmapjsVue implements PluginObject<{}> { [key: string]: any public install: PluginFunction<{}> } const VuePlugin: HeatmapjsVue export default VuePlugin // Interfaces export interface HeatmapjsVue extends Vue { addData: () => any getValueAt: () => any getData: () => any getDataURL: () => any repaint: () => any } }