The namespace 'OpenRA.Mods.Common.FileSystem' already contains a definition for 'InstallShieldLoader'

'IPackageLoader.TryParsePackage(Stream, string, FileSystem, out IReadOnlyPackage)' is explicitly implemented more than once.

Type 'InstallShieldLoader' already defines a member called 'OpenRA.FileSystem.IPackageLoader.TryParsePackage' with the same parameter types

Type 'InstallShieldLoader.InstallShieldPackage' already defines a member called 'InstallShieldPackage' with the same parameter types

Type 'InstallShieldLoader.InstallShieldPackage' already defines a member called 'ParseFile' with the same parameter types

Type 'InstallShieldLoader.InstallShieldPackage' already defines a member called 'GetStream' with the same parameter types

Type 'InstallShieldLoader.InstallShieldPackage' already defines a member called 'OpenPackage' with the same parameter types

Type 'InstallShieldLoader.InstallShieldPackage' already defines a member called 'Contains' with the same parameter types

Type 'InstallShieldLoader.InstallShieldPackage' already defines a member called 'Dispose' with the same parameter types