Usages of API which isn't available at the configured language level

Reports usages of the API that is unavailable at the configured language level. This inspection does 3 things:

• Highlight usage of generified classes when the language level is below Java 7.

• Highlight when default methods are not overridden and the language level is below Java 8.

• Highlight usage of API when the language level is lower than marked using the @since tag in the documentation.

Use the Forbid API usages option to forbid usages of the API in respect to the project or custom language level.