We need to modernize our legacy COBOL codebase to Java; what are the best ways to combine automated conversion processes with manual developer intervention?

We ask the same underlying question in different ways.

• We need to modernize our legacy COBOL codebase to Java; what are the best ways to combine automated conversion processes with manual developer intervention?
• What is the recommended approach for balancing machine-led conversion and human developer oversight during a COBOL to Java modernization project?
• What is the most effective strategy for blending automated tools and human coding when migrating a legacy COBOL codebase to Java?