open5_flags and similarly alter the constant names. * * @internal */ abstract class OpenFlag { public const READ = 0x00000001; public const WRITE = 0x00000002; public const APPEND = 0x00000004; public const CREATE = 0x00000008; public const TRUNCATE = 0x00000010; public const EXCL = 0x00000020; public const TEXT = 0x00000040; // defined in SFTPv4 }