code: func (p *CloudFlareProvider) ApplyChanges(changes *plan.Changes) error {
  	proxiedByDefault := p.proxiedByDefault
  
  	combinedChanges := make([]*cloudFlareChange, 0, len(changes.Create)+len(changes.UpdateNew)+len(changes.Delete))
  
  	combinedChanges = append(combinedChanges, newCloudFlareChanges(cloudFlareCreate, changes.Create, proxiedByDefault)...)
  	combinedChanges = append(combinedChanges, newCloudFlareChanges(cloudFlareUpdate, changes.UpdateNew, proxiedByDefault)...)
  	combinedChanges = append(combinedChanges, newCloudFlareChanges(cloudFlareDelete, changes.Delete, proxiedByDefault)...)
  
  	return p.submitChanges(combinedChanges)
  }
docs: // ApplyChanges applies a given set of changes in a given zone.