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Hardcoding
import java.util.List;in the template will cause every generated API class to include this import. For API classes that do not use any lists in their parameters or return types, this will result in an "unused import" compiler warning or static analysis (e.g., Checkstyle) failure.Ideally, the generator's
{{#imports}}loop should automatically handle importingjava.util.Listwhen it is required. If that is not working, please verify if there is a generator-specific conditional flag (such as{{#hasListParams}}or similar) that can be used to import it conditionally, rather than importing it unconditionally for all classes.