Bug Report: Missing Package Imports in zz_generated.register.go File

[hugtale]

Description

When using register-gen from the code-generator package to automatically generate the zz_generated.register.go file, the generated file is missing the import statements for the following packages:

• k8s.io/apimachinery/pkg/runtime
• k8s.io/apimachinery/pkg/runtime/schema

This issue causes compilation errors because these packages are required for the generated GroupVersion and SchemeBuilder code to function correctly.

Steps to Reproduce

1. Use register-gen to generate a zz_generated.register.go file.
2. Attempt to compile the project.
3. Observe that the generated file is missing the necessary import statements.

Expected Behavior

The generated zz_generated.register.go file should include the following imports by default:

import (
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
)

This ensures that the generated code compiles without requiring manual modification.

Environment

• code-generator version: 1.32
• Go version: 1.23.4

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