@patternfly/react-charts/src/echarts/typings/echarts.d.ts

This library provides a set of React chart components for use with the PatternFly reference implementation.

import * as echarts from 'echarts/types/dist/core';

declare module 'echarts' {
  export const registerTheme: echarts.registerTheme;
  export const init: echarts.init;
  export type ECharts = any;
}