* add bearer capability
* avoid using shared state
* revert needless change
* Revert authentication changes from unused root Java/api.mustache template
* applied change to correct lib type
* updated test files
* made security method more generic for flexibility
* regenerated samples
* further cleanup
* code style
* regenerated samples
* made header assignment more explicit, per each method
* fixed extra comma
* fixed commas, regenerated samples
* moved header population to utility method
* moved static class inside main class
* regenerated samples
* added comments, fixed indentation
* regenerated samples
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Co-authored-by: Ilya Nemtsev <ilyanemtsev@192.168.1.34>
