Function UA_Server_setWriterGroupEncryptionKeys 

pub unsafe extern "C" fn UA_Server_setWriterGroupEncryptionKeys(
    server: *mut UA_Server,
    wgId: UA_NodeId,
    securityTokenId: UA_UInt32,
    signingKey: UA_ByteString,
    encryptingKey: UA_ByteString,
    keyNonce: UA_ByteString,
) -> UA_StatusCode