//     43  .  .  .  .  .  .  }
	//     44  .  .  .  .  .  }
	//     45  .  .  .  .  }
	//     46  .  .  .  .  Rbrace: 5:1
	//     47  .  .  .  }
	//     48  .  .  }
	//     49  .  }
	//     50  .  FileStart: 1:1
	//     51  .  FileEnd: 5:3
	//     52  .  Scope: *ast.Scope {
	//     53  .  .  Objects: map[string]*ast.Object (len = 1) {
	//     54  .  .  .  "main": *(obj @ 11)
	//     55  .  .  }
	//     56  .  }

		filenames[i] = filename
		i++
		if f.Doc != nil {
			ndocs += len(f.Doc.List) + 1 // +1 for separator
		}
		ncomments += len(f.Comments)
		ndecls += len(f.Decls)
		if i == 0 || f.FileStart < minPos {
			minPos = f.FileStart
		}
		if i == 0 || f.FileEnd > maxPos {
			maxPos = f.FileEnd
		}
	}
	slices.Sort(filenames)

	// Collect package comments from all package files into a single

	ResultOf map[*Analyzer]interface{}

	// ReadFile returns the contents of the named file.
	//
	// The only valid file names are the elements of OtherFiles
	// and IgnoredFiles, and names returned by
	// Fset.File(f.FileStart).Name() for each f in Files.
	//
	// Analyzers must use this function (if provided) instead of
	// accessing the file system directly. This allows a driver to
	// provide a virtualized file tree (including, for example,

	if slicesContains(pass.OtherFiles, filename) ||
		slicesContains(pass.IgnoredFiles, filename) {
		return nil
	}
	for _, f := range pass.Files {
		// TODO(adonovan): use go1.20 f.FileStart
		if pass.Fset.File(f.Pos()).Name() == filename {
			return nil
		}
	}
	return fmt.Errorf("Pass.ReadFile: %s is not among OtherFiles, IgnoredFiles, or names of Files", filename)
}