Flags for gio.tls_database.TlsDatabase.lookupCertificateForHandle, gio.tls_database.TlsDatabase.lookupCertificateIssuer, and gio.tls_database.TlsDatabase.lookupCertificatesIssuedBy.
No lookup flags
Restrict lookup to certificates that have a private key.
Flags for gio.tls_database.TlsDatabase.lookupCertificateForHandle, gio.tls_database.TlsDatabase.lookupCertificateIssuer, and gio.tls_database.TlsDatabase.lookupCertificatesIssuedBy.