[BUG][JAVA] OutOfMemoryError Required array length 2147483638 + 2317306 is too large

[c2technology]

Bug Report Checklist

• Have you provided a full/minimal spec to reproduce the issue?
• Have you validated the input using an OpenAPI validator (example)?
• Have you tested with the latest master to confirm the issue still exists?
• Have you searched for related issues/PRs?
• What's the actual output vs expected output?
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Description

When building a csharp api client with this command generates the error when building the client
npm exec @openapitools/openapi-generator-cli generate -- -g csharp --skip-operation-example -i "swagger.json" -o "/openapi/csharp"
Building clients for Java, Python, and PHP all work without issue.
I would expect the same for csharp

openapi-generator version

10.8.2

OpenAPI declaration file content or url

the swagger file is over 14MB and has 479491 lines. It's generated from source code using Swashbuckle

Generation Details

export JAVA_TOOL_OPTIONS="-Xmx30g"
export DOTNET_SYSTEM_RUNTIME_GCALLOWVERYLARGEOBJECTS=true
npm install @openapitools/openapi-generator-cli -g
npm exec @openapitools/openapi-generator-cli generate -- -g csharp --skip-operation-example -i "swagger.json" -o "/openapi/csharp"

Related issues/PRs

There are a lot of heap issues. I've increased java to 30GB but to no avail. Other client types are build just fine.