The type or namespace name 'SupportedOSPlatformAttribute' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'SupportedOSPlatform' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'SupportedOSPlatformAttribute' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'SupportedOSPlatform' could not be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

The workload 'android' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'ios' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'maccatalyst' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'android' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'ios' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'maccatalyst' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'android' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'ios' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'maccatalyst' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'android' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'android' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.

The workload 'ios' is out of support and will not receive security updates in the future. Please refer to https://aka.ms/maui-support-policy for more information about the support policy.