SomeRecipe.java

package org.yourorg.starter;

import org.openrewrite.ExecutionContext;
import org.openrewrite.Recipe;
import org.openrewrite.TreeVisitor;
import org.openrewrite.java.JavaVisitor;
import org.openrewrite.java.tree.J;

public class SomeRecipe extends Recipe {

    @Override
    public String getDisplayName() {
        return "Name";
    }

    @Override
    public String getDescription() {
        return "Description.";
    }

    @Override
    protected TreeVisitor<?, ExecutionContext> getVisitor() {
        return new JavaVisitor<ExecutionContext>() {
            @Override
            public J visitCompilationUnit(J.CompilationUnit cu, ExecutionContext executionContext) {
                return super.visitCompilationUnit(cu, executionContext);
            }
        };
    }
}