Function isUsernameQualifier

isUsernameQualifier(qualifier: unknown): qualifier is UsernameQualifier
Returns true if the given qualifier is a UsernameQualifier otherwise false.
Parameters
- qualifier: unknown
  the qualifier to check
Returns qualifier is UsernameQualifier
true if the given qualifier is a UsernameQualifier, otherwise false.
- Defined in shared-libs/cht-datasource/src/qualifier.ts:194