DavidGrath

[typescript] ANTLR test enhancement. Utility types now considered when generating schemas (Issue #21317)

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### PR checklist - [x] Read the [contribution guidelines](https://github.com/openapitools/openapi-generator/blob/master/CONTRIBUTING.md). - [x] Pull Request title clearly describes the work in the pull request and Pull Request description provides details about how...

Restricted Java oneOf imports to Jackson only when needed (#21404)

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### PR checklist - [x] Read the [contribution guidelines](https://github.com/openapitools/openapi-generator/blob/master/CONTRIBUTING.md). - [x] Pull Request title clearly describes the work in the pull request and Pull Request description provides details about how...

[BUG][JAVA] Unnecessary Jackson imports added to oneOf interface when non-Jackson library is used

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#### Bug Report Checklist - [x] Have you provided a full/minimal spec to reproduce the issue? - [x] Have you validated the input using an OpenAPI validator? - [x] Have...

Correct generation of additionalProperties Map for numerous Java libraries (issue #20139)

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### PR checklist - [x] Read the [contribution guidelines](https://github.com/openapitools/openapi-generator/blob/master/CONTRIBUTING.md). - [x] Pull Request title clearly describes the work in the pull request and Pull Request description provides details about how...