perf(endpoints): Reduce allocation in endpoint resolution - #7304
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Apply the same direct-return pattern as the BDD codegen to the rules-based endpoint resolver code generation: - Rule methods return Endpoint directly (null = carry-on) instead of wrapping in RuleResult — eliminates new RuleResult(endpoint) on every successful resolution - Error results throw SdkClientException directly instead of allocating RuleResult.error() — no allocation on the error path - Null-checks replace RuleResult.isResolved() — simpler control flow - resolveEndpoint uses try/catch for error handling matching the BDD pattern - Region param extracted once at the top of resolveEndpoint to avoid repeated .id() calls Also refactors SymbolTable to use a single regionParamName (String) instead of a Set, matching the single-region-param reality of all current services, and adds coalesce type resolution to AssignTypesVisitor.
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mvn installsucceedsscripts/new-changescript and following the instructions. Commit the new file created by the script in.changes/next-releasewith your changes.License