public void setInnerClassesForKeys(boolean innerClassesForKeys) {
        module.bind(SQLCodegenModule.INNER_CLASSES_FOR_KEYS, innerClassesForKeys);
    }
Set whether inner classes should be created for keys

@param innerClassesForKeys
querydsl-sql-codegen/src/main/java/com/querydsl/sql/codegen/MetaDataExporter.java