Extract methods
Static methods supported
No line markers for anonymous or local class' methods

 #KT-3270 fixed
Supported constructors.

EA-43090 - assert: KotlinSignatureInJavaMarkerProvider.collectSlowLineMarkers (couldn't find descriptor)
Better assertion message.
EA-43015 - assert: KotlinSignatureInJavaMarkerProvider.collectSlowLineMarkers (no member name)

Better assertion message.