Binary package “libgnatvsn6-dev” in ubuntu bionic

GNU Ada compiler selected components (development files)

 GNAT is a compiler for the Ada programming language. It produces optimized
 code on platforms supported by the GNU Compiler Collection (GCC).
 The libgnatvsn library exports selected GNAT components for use in other
 packages, most notably ASIS tools. It is licensed under the GNAT-Modified
 GPL, allowing to link proprietary programs with it.
 This package contains the development files and static library.