type SAMLProvider struct {
	MetadataURL string `default:"${defaultMetadataURL}" env:"METADATA_URL" help:"${provider}'s metadata URL." placeholder:"URL" required:""`
	EntityID    string `                                env:"ENTITY_ID"    help:"${provider}'s entity ID."    required:""`
}

type Providers struct {
	MockSAML SAMLProvider `embed:"" envprefix:"MOCK_" prefix:"mock." set:"provider=MockSAML" set:"defaultMetadataURL=${defaultMockSAMLMetadataURL}"`
}