/// <summary>
/// Register an identity key, signed prekey, and list of one time prekeys
/// with the server.
/// </summary>
/// <param name="token">The cancellation token</param>
/// <param name="identityKey">The client's long-term identity keypair.</param>
/// <param name="signedPreKey">The client's signed prekey.</param>
/// <param name="oneTimePreKeys">The client's list of one-time prekeys.</param>
/// <returns></returns>
public async Task <bool> SetPreKeys(CancellationToken token, IdentityKey identityKey, SignedPreKeyRecord signedPreKey, IList <PreKeyRecord> oneTimePreKeys)//throws IOException
{
await PushServiceSocket.RegisterPreKeys(token, identityKey, signedPreKey, oneTimePreKeys);
return(true);
}