has_public_key_sync
Description:
[ Version ( since = "3.50" ) ]
public bool has_public_key_sync (string keyid, Cancellable? cancellable = null) throws Error
  public bool has_public_key_sync (string keyid, Cancellable? cancellable = null) throws Error
Checks whether there exists a public key with keyid.
The keyid can be either key ID or an email address.
Parameters:
| this | |
| keyid | a key ID or an email address | 
| cancellable | optional Cancellable object, or null | 
Returns:
| whether the key could be found |