import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;

public class RuleSourceBackedRuleAction<R, T> implements RuleAction<T> {
    private final R instance;
    private final JavaMethod<R, T> ruleMethod;
    private final List<Class<?>> inputTypes;

    private RuleSourceBackedRuleAction(R instance, JavaMethod<R, T> ruleMethod) {
        this.instance = instance;
        this.ruleMethod = ruleMethod;

    private ModelType<List<String>> listType = new ModelType<List<String>>() {}
    private action
    private List collector = []

    def "creates rule action for rule source"() {
        when:
        action = RuleSourceBackedRuleAction.create(ModelType.of(List), ruleSource)

        then:
        action.inputTypes == [String, Integer, Set]

        when:
        action.execute(collector, ["foo", 1, ["bar", "baz"] as Set])

        }
    }

    @Override
    public <T> RuleAction<? super T> createFromRuleSource(Class<T> subjectType, Object ruleSource) {
        try {
            return ruleActionValidator.validate(RuleSourceBackedRuleAction.create(ModelType.of(subjectType), ruleSource));
        } catch (RuleActionValidationException e) {
            throw new InvalidUserCodeException(String.format(INVALID_RULE_SOURCE_ERROR, context), e);
        }
    }

Class <org.gradle.internal.rules.RuleSourceBackedRuleAction$MultiMap> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (RuleSourceBackedRuleAction.java:0)
Class <org.gradle.internal.rules.RuleSourceBackedRuleAction> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (RuleSourceBackedRuleAction.java:0)