Use regular expression search/replace to ensure all single-arg
lambdas have parenthesis. This aligns with the style used in Spring
Boot and ensure that single-arg and multi-arg lambdas are consistent.
Issue gh-8945
Add an additional lines after the copyright header and before the
`package` declaration. This aligns with the style used by Spring
Framework.
Issue gh-8945
A class with a number of handy request-based implementations of
AuthenticationManagerResolver targeted at common multi-tenancy
scenarios.
Fixes: gh-6976
Introducing OAuth2TokenIntrospectionClient and also
ReactiveOAuth2TokenIntrospectionClient as configuration points.
The DSL looks in the application context for these types in the same
way it looks for JwtDecoder and ReactiveJwtDecoder, and exposes
similar configuration methods.
Fixes: gh-6632
