28   if (auto EC = Reader.readObject(BlockHeader))  in operator ()()  local
29     return EC;  in operator ()()
45   if (auto EC = Reader.readArray(Item.LineNumbers, BlockHeader->NumLines))  in operator ()()  local
46     return EC;  in operator ()()
48     if (auto EC = Reader.readArray(Item.Columns, BlockHeader->NumLines))  in operator ()()  local
49       return EC;  in operator ()()
58   if (auto EC = Reader.readObject(Header))  in initialize()  local
59     return EC;  in initialize()
62   if (auto EC = Reader.readArray(LinesAndColumns, Reader.bytesRemaining()))  in initialize()  local
63     return EC;  in initialize()
111   if (auto EC = Writer.writeObject(Header))  in commit()  local
112     return EC;  in commit()
124     if (auto EC = Writer.writeObject(BlockHeader))  in commit()  local
125       return EC;  in commit()
127     if (auto EC = Writer.writeArray(makeArrayRef(B.Lines)))  in commit()  local
128       return EC;  in commit()
131       if (auto EC = Writer.writeArray(makeArrayRef(B.Columns)))  in commit()  local
132         return EC;  in commit()