login_config
This function can be extended by users to add custom login configurations.
Throws if any extension of this function throws.
Return
a map of <name, _login_config>
- the name allows the users to pick one of the configs
See also
_login_config
for more information about login configurations.
add_login_config
for an example implementation of this extension.
external. auth. get_login_config
for a way to retrieve a specific _login_config