parameters: (self, dirs, lib, debug=0)
docstring: Search the specified list of directories for a static or shared
          library file 'lib' and return the full path to that file.  If
          'debug' true, look for a debugging version (if that makes sense on
          the current platform).  Return None if 'lib' wasn't found in any of
          the specified directories.
docstring_summary: Search the specified list of directories for a static or shared
          library file 'lib' and return the full path to that file.  If
          'debug' true, look for a debugging version (if that makes sense on
          the current platform).  Return None if 'lib' wasn't found in any of
          the specified directories.
docstring_tokens: Search the specified list of directories for a static or shared library file lib and return the full path to that file . If debug true look for a debugging version ( if that makes sense on the current platform ) . Return None if lib wasn t found in any of the specified directories .
function: def find_library_file (self, dirs, lib, debug=0):
          """Search the specified list of directories for a static or shared
          library file 'lib' and return the full path to that file.  If
          'debug' true, look for a debugging version (if that makes sense on
          the current platform).  Return None if 'lib' wasn't found in any of
          the specified directories.
          """
          raise NotImplementedError
function_tokens: def find_library_file ( self , dirs , lib , debug = 0 ) : raise NotImplementedError