* add direct invocation methods for java (httpclient)
* add direct invocation methods for java (resttemplate)
* handle methods only if endpoints exist for api client
* preserve previous newline to minimize changes
* update httpclient/resttemplate samples
* add common methods in base class
* regenerate samples with base class
* add initial openapi config and java generated files
* add java implementation for adding generator version
* regenerate sample client files
* remove tabs
* only show generated version if build info exists
* set build info for batch generation
* update generator doc for new global flag
* use existing property for generator version
* update templates to include generator version
* update templates for better generator version syntax
* revert undesired changes
* regenerate samples for openapi client
* update templates to correct formatting/newlines
* correct description text and add to usage doc
* add generator cli option for all codegen types
* use more concise version info; update existing codegens to support new prop
* correct wrong prop reference
* add initial test coverage for new prop
* update last (scala) templates with new prop
* update samples after upstream merge
* use consistent version output
* use better sample project id/name
* revert using option for generator version in templates
in rest template, when the retry limits exceeded
rethrow the original exception
also add 429 (Too many requests) status code to the
retry logic
fix#17478
* updating test to use the Java RESTEasy echo api client (#17367)
* regenerated samples
* set source and target to 1.8 to fix workflow failure, adapted parser
