Compilation error (line 1, col 1): Keyword, identifier, or string expected after verbatim specifier: @
Compilation error (line 1, col 1): A namespace cannot directly contain members such as fields or methods
Compilation error (line 5, col 26): Identifier expected
Compilation error (line 6, col 26): Identifier expected
Compilation error (line 10, col 1): Type or namespace definition, or end-of-file expected