psi.error.attempt.to.edit.class.file=Cannot modify compiled element

jdk.1.3.language.level.description=1.3 - Plain old Java
jdk.1.4.language.level.description=1.4 - 'assert' keyword
jdk.1.5.language.level.description=5.0 - 'enum' keyword, autoboxing etc.
jdk.1.6.language.level.description=6.0 - @Override in interfaces
jdk.1.7.language.level.description=7.0 - Diamonds, ARM, multi-catch etc.
jdk.1.8.language.level.description=8.0 - Lambdas, type annotations etc.
