1. @DomName('StorageQuota.requestPersistentQuota')
  2. @DocsEditable()
  3. @Experimental()
Future requestPersistentQuota(int newQuota)

Source

@DomName('StorageQuota.requestPersistentQuota')
@DocsEditable()
@Experimental() // untriaged
Future requestPersistentQuota(int newQuota) native;