function recurseIgnoreEntities(entity) {
    const children = entity._children;
    const count = children.length;
    for (let i = 0; i < count; ++i) {
      const child = children[i];
      entitiesToIgnore.set(child.id, child);
      recurseIgnoreEntities(child);
    }
  }
Updates any NetworkLink that require updating.

@param {JulianDate} time The simulation time.
@returns {boolean} True if this data source is ready to be displayed at the provided time, false otherwise.