Changes needed to support settings API

[cb-hareeshv]

🚀 Pull Request Template

📘 Description

🧩 Related Issues / Tickets

Closes #IssueNumber

📂 Type of Change

• ✨ Feature
• 🐛 Bug Fix
• 📝 Documentation
• 🧪 Test Improvement
• 🔧 Refactor / Code Cleanup
• ⚙️ Build / Tooling

🧪 How to Test

# Example:
./gradlew run --args="-i spec.json -l PHP_V4 -o ../chargebee-php/php/src"

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

Added `JAVA_RESERVED_WORDS` to support Java reserved-name detection. Updated `Java.getName` to append `_` when generated lower-camel-case names match Java reserved words. Other generated names remain unchanged.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Enterprise

Run ID: 1622cc14-2454-4dbb-b3f9-7b194c2aee85

📥 Commits

Reviewing files that changed from the base of the PR and between 4939173 and 202c670.

📒 Files selected for processing (2)

• src/main/java/com/chargebee/sdk/java/Constants.java
• src/main/java/com/chargebee/sdk/java/Java.java

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Walkthrough

The generator adds a public Java reserved-word set and updates getName to append _ when a generated lower-camel-case name matches a reserved word.

Changes

Java name generation

Layer / File(s)	Summary
Reserved-name handling src/main/java/com/chargebee/sdk/java/Constants.java, src/main/java/com/chargebee/sdk/java/Java.java	Constants defines Java keywords and literals. getName appends _ to matching generated names.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Merge Risk: ⚪ Minimal · up to 202c6

This localized change is merge-ready after normal checks and review; no actionable merge-blocking risk remains.

Suggested reviewers: cb-alish

🚥 Pre-merge checks | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 2 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

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