code: func (f *aclFilter) filterCoordinates(coords *structs.Coordinates) {
  	c := *coords
  	for i := 0; i < len(c); i++ {
  		node := c[i].Node
  		if f.allowNode(node) {
  			continue
  		}
  		f.logger.Printf("[DEBUG] consul: dropping node %q from result due to ACLs", node)
  		c = append(c[:i], c[i+1:]...)
  		i--
  	}
  	*coords = c
  }
docs: // filterCoordinates is used to filter nodes in a coordinate dump based on ACL
  // rules.