libmono-cecil-cil-dev 0.9.5+dfsg-2 (i386 binary) in ubuntu quantal

 Cecil is a library under development to generate and inspect programs and
 libraries in the ECMA CIL format.
 .
 In simple English, with Cecil, you can load existing managed assemblies,
 browse all the contained types, modify them on the fly and save back to the
 disk the modified assembly.
 .
 This package contains development files for the Cecil library, and should
 be used for compilation.