Method discover

src/core/context/node.js:286–293

* Requests the discovery phase. Asynchronously finds the nearest parent for * this node and its root. Roots and parents set directly via `setParent()` * API are not discoverable.

()

   * API are not discoverable.
   */
  discover() {
    if (this.isDiscoverable()) {
      this.scheduleDiscover_();
    } else if (this.name && this.children) {
      // Recursively discover the group's children.
      this.children.forEach(discoverContextNode);
    }
  }

  /**
   * @return {boolean}