A modern programming language that makes developers happier.

kotlinlang

```
exception: java.lang.RuntimeException: Error generating constructors of class GithubApi with kind IMPLEMENTATION         
        at org.jetbrains.kotlin.codegen.ImplementationBodyCodegen.generateConstructors(ImplementationBodyCodegen.java:410
)                                                                                                                        
        at org.jetbrains.kotlin.codegen.ClassBodyCodegen.generateBody(ClassBodyCodegen.java:79)                          
```