[modelio] Add nullability to (generated and manual) bindings

[tj-devel709]

This PR aims to bring nullability changes to ModelIO.
Following the steps here:

1. Changing any == null or != null to is null and is not null

[vs-mobiletools-engineering-service2]

📚 [PR Build] Artifacts 📚

Packages generated

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• Microsoft.iOS.Bundle.15.4.129-ci.pr.gh15164.pkg
• Microsoft.iOS.Ref.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Runtime.ios-arm.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Runtime.ios-arm64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Runtime.iossimulator-arm64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Runtime.iossimulator-x64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Runtime.iossimulator-x86.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Sdk.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Templates.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.iOS.Windows.Sdk.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.MacCatalyst.Bundle.15.4.129-ci.pr.gh15164.pkg
• Microsoft.MacCatalyst.Ref.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.MacCatalyst.Runtime.maccatalyst-arm64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.MacCatalyst.Runtime.maccatalyst-x64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.MacCatalyst.Sdk.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.MacCatalyst.Templates.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.macOS.Bundle.12.3.129-ci.pr.gh15164.pkg
• Microsoft.macOS.Ref.12.3.129-ci.pr.gh15164.nupkg
• Microsoft.macOS.Runtime.osx-arm64.12.3.129-ci.pr.gh15164.nupkg
• Microsoft.macOS.Runtime.osx-x64.12.3.129-ci.pr.gh15164.nupkg
• Microsoft.macOS.Sdk.12.3.129-ci.pr.gh15164.nupkg
• Microsoft.macOS.Templates.12.3.129-ci.pr.gh15164.nupkg
• Microsoft.NET.Sdk.iOS.Manifest-6.0.300.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.NET.Sdk.MacCatalyst.Manifest-6.0.300.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.NET.Sdk.macOS.Manifest-6.0.300.12.3.129-ci.pr.gh15164.nupkg
• Microsoft.NET.Sdk.tvOS.Manifest-6.0.300.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.NET.Workload.iOS.15.4.129-ci.pr.gh15164.msi
• Microsoft.tvOS.Bundle.15.4.129-ci.pr.gh15164.pkg
• Microsoft.tvOS.Ref.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.tvOS.Runtime.tvos-arm64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.tvOS.Runtime.tvossimulator-arm64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.tvOS.Runtime.tvossimulator-x64.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.tvOS.Sdk.15.4.129-ci.pr.gh15164.nupkg
• Microsoft.tvOS.Templates.15.4.129-ci.pr.gh15164.nupkg
• xamarin.ios-15.11.0.317.pkg
• xamarin.mac-8.11.0.317.pkg

Pipeline on Agent XAMBOT-1102.Monterey'
Hash: 20631c05544edf0d38e350a351629f4fc668c2f9

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS Mac Catalina (10.15) passed 💻

✅ All tests on macOS Mac Catalina (10.15) passed.

Pipeline on Agent
Hash: 20631c05544edf0d38e350a351629f4fc668c2f9

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS Mac Catalina (10.15) passed 💻

✅ All tests on macOS Mac Catalina (10.15) passed.

Pipeline on Agent
Hash: 20631c05544edf0d38e350a351629f4fc668c2f9

[vs-mobiletools-engineering-service2]

📋 [PR Build] API Diff 📋

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ℹ️ API Diff (from PR only) (please review changes)

API diff: vsdrops gist

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• iOS vsdrops gist
• macOS vsdrops gist
• tvOS vsdrops gist
• watchOS vsdrops gist

.NET

• dotnet-iOS vsdrops gist
• dotnet-macOS vsdrops gist
• dotnet-tvOS vsdrops gist
• dotnet-MacCatalyst vsdrops gist

Xamarin vs .NET

• dotnet-legacy-iOS vsdrops gist
• dotnet-legacy-macOS vsdrops gist
• dotnet-legacy-tvOS vsdrops gist

iOS vs Mac Catalyst (.NET)

• dotnet-macCatiOS vsdrops gist

API diff (vs stable)

✅ API Diff from stable

API diff: vsdrops gist

Xamarin

• iOS vsdrops gist
• macOS vsdrops gist
• tvOS vsdrops gist
• watchOS vsdrops gist

.NET

• dotnet-iOS vsdrops gist
• dotnet-macOS vsdrops gist
• dotnet-tvOS vsdrops gist
• dotnet-MacCatalyst vsdrops gist

Xamarin vs .NET

• dotnet-legacy-iOS vsdrops gist
• dotnet-legacy-macOS vsdrops gist
• dotnet-legacy-tvOS vsdrops gist

iOS vs Mac Catalyst (.NET)

• dotnet-macCatiOS vsdrops gist

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Pipeline on Agent XAMBOT-1165.Monterey'
Hash: 20631c05544edf0d38e350a351629f4fc668c2f9

[vs-mobiletools-engineering-service2]

📋 [PR Build] API Diff 📋

API diff (for current PR)

ℹ️ API Diff (from PR only) (please review changes)

API diff: vsdrops gist

Xamarin

• iOS vsdrops gist
• macOS vsdrops gist
• tvOS vsdrops gist
• watchOS vsdrops gist

.NET

• dotnet-iOS vsdrops gist
• dotnet-macOS vsdrops gist
• dotnet-tvOS vsdrops gist
• dotnet-MacCatalyst vsdrops gist

Xamarin vs .NET

• dotnet-legacy-iOS vsdrops gist
• dotnet-legacy-macOS vsdrops gist
• dotnet-legacy-tvOS vsdrops gist

iOS vs Mac Catalyst (.NET)

• dotnet-macCatiOS vsdrops gist

API diff (vs stable)

✅ API Diff from stable

API diff: vsdrops gist

Xamarin

• iOS vsdrops gist
• macOS vsdrops gist
• tvOS vsdrops gist
• watchOS vsdrops gist

.NET

• dotnet-iOS vsdrops gist
• dotnet-macOS vsdrops gist
• dotnet-tvOS vsdrops gist
• dotnet-MacCatalyst vsdrops gist

Xamarin vs .NET

• dotnet-legacy-iOS vsdrops gist
• dotnet-legacy-macOS vsdrops gist
• dotnet-legacy-tvOS vsdrops gist

iOS vs Mac Catalyst (.NET)

• dotnet-macCatiOS vsdrops gist

Generator diff

✅ Generator Diff (no change)

Pipeline on Agent XAMBOT-1100.Monterey'
Hash: 20631c05544edf0d38e350a351629f4fc668c2f9

[vs-mobiletools-engineering-service2]

❌ [PR Build] Tests on macOS M1 - Mac Big Sur (11.5) failed ❌

Failed tests are:

• introspection

Pipeline on Agent
Hash: 20631c05544edf0d38e350a351629f4fc668c2f9

[vs-mobiletools-engineering-service2]

❌ [PR Build] Tests on macOS M1 - Mac Big Sur (11.5) failed ❌

Failed tests are:

• xammac_tests
• monotouch-test

Pipeline on Agent
Hash: 20631c05544edf0d38e350a351629f4fc668c2f9

[vs-mobiletools-engineering-service2]

❌ [CI Build] Tests failed on VSTS: simulator tests iOS ❌

Tests failed on VSTS: simulator tests iOS.

• Azure DevOps
• Html Report (VSDrops) Download

Test results

1 tests failed, 147 tests passed.

Failed tests

• fsharp/watchOS 32-bits - simulator/Debug: Crashed

Pipeline on Agent XAMBOT-1172.Monterey'
Merge 20631c0 into 8fff154

[vs-mobiletools-engineering-service2]

❌ [CI Build] Tests failed on VSTS: simulator tests iOS ❌

Tests failed on VSTS: simulator tests iOS.

• Azure DevOps
• Html Report (VSDrops) Download

Test results

1 tests failed, 147 tests passed.

Failed tests

• fsharp/watchOS 32-bits - simulator/Debug: Crashed

Pipeline on Agent XAMBOT-1170.Monterey'
Merge 20631c0 into 8fff154

[mandel-macaque]

Failure is a crash of the fsharp tests on watchOS, probably unrelated.