public DurableIssuedTokenClientCredentialsTokenManager(DurableIssuedTokenClientCredentials creds) : base(creds)
 {
     this.cache = creds.IssuedTokenCache;
 }
 private DurableIssuedTokenClientCredentials(DurableIssuedTokenClientCredentials other) : base(other)
 {
     this.cache = other.cache;
 }