10/10 points: Provide a valid pubspec.yaml

5/5 points: Provide a valid README.md

5/5 points: Provide a valid CHANGELOG.md

10/10 points: Use an OSI-approved license

Detected license: MIT.

0/10 points: 20% or more of the public API has dartdoc comments

Dependency resolution failed, unable to run dartdoc.

10/10 points: Package has an example

0/20 points: Platform support detection failed

0/50 points: code has no errors, warnings, lints, or formatting issues

• Running flutter pub outdated failed with the following output:

Note: matcher is pinned to version 0.12.17 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.

0/10 points: All of the package dependencies are supported in the latest version

• Could not run flutter pub outdated: flutter pub get failed:

OUT:
Resolving dependencies...
ERR:
Note: matcher is pinned to version 0.12.17 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.

Note: test_api is pinned to version 0.7.7 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.


    Because test >=1.16.6 <1.16.7 depends on test_api 0.2.20 and test >=1.16.7 <1.17.0 depends on test_api 0.3.0, test >=1.16.6 <1.17.0 requires test_api 0.2.20 or 0.3.0.
    And because test >=1.17.0 <1.17.6 depends on test_api 0.4.0 and test >=1.17.10 <1.17.11 depends on test_api 0.4.2, test >=1.16.6 <1.17.6-∞ or >=1.17.10 <1.17.11-∞ requires test_api 0.2.20 or [...]
    And because test >=1.17.11 <1.18.0 depends on test_api 0.4.3 and test >=1.18.0 <1.18.1 depends on test_api 0.4.4, test >=1.16.6 <1.17.6-∞ or >=1.17.10 <1.18.1-∞ requires test_api 0.2.20 or 0.[...]
[45 more lines]

10/10 points: Package supports latest stable Dart and Flutter SDKs

0/20 points: Compatible with dependency constraint lower bounds

flutter pub downgrade failed with:

OUT:
Resolving dependencies...
ERR:
Note: matcher is pinned to version 0.12.17 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.

Note: test_api is pinned to version 0.7.7 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.


    Because test >=1.21.3 <1.21.4 depends on test_api 0.4.11 and test >=1.21.4 <1.21.5 depends on test_api 0.4.12, test >=1.21.3 <1.21.5 requires test_api 0.4.11 or 0.4.12.
    And because test >=1.21.5 <1.21.6 depends on test_api 0.4.13 and test >=1.21.7 <1.22.0 depends on test_api 0.4.15, test >=1.21.3 <1.21.6-∞ or >=1.21.7 <1.22.0-∞ requires test_api 0.4.11 or 0.[...]
    And because test >=1.22.0 <1.22.1 depends on test_api 0.4.16 and test >=1.22.1 <1.22.2 depends on test_api 0.4.17, test >=1.21.3 <1.21.6-∞ or >=1.21.7 <1.22.2-∞ requires test_api 0.4.11 or 0.[...]
[47 more lines]

Run flutter pub downgrade and then flutter analyze to reproduce the above problem.

You may run dart pub upgrade --tighten to update your dependency constraints, see dart.dev/go/downgrade-testing for details.