Identified by misc-unused-using-decls.
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Error.h"
-using clang::comments::FullComment;
-
namespace clang {
namespace doc {
#include <string>
#include <vector>
-using clang::find_all_symbols::SymbolInfo;
using clang::find_all_symbols::SymbolAndSignals;
namespace clang {
#include "llvm/Support/raw_ostream.h"
using llvm::yaml::MappingTraits;
-using llvm::yaml::IO;
-using llvm::yaml::Input;
using ContextType = clang::find_all_symbols::SymbolInfo::ContextType;
using clang::find_all_symbols::SymbolInfo;
using clang::find_all_symbols::SymbolAndSignals;