Method constructor

src/core/tracers/Tracer.jsx:5–11

(key, getObject, title)

class Tracer {
  constructor(key, getObject, title) {
    this.key = key;
    this.getObject = getObject;
    this.title = title;
    this.init();
    this.reset();
  }

  getRendererClass() {
    return Renderer;