* line.
     *
     * @return The user properties, never {@code null}.
     */
    Properties getUserProperties();

    // Reactor
    MavenExecutionRequest setReactorFailureBehavior(String failureBehavior);

    String getReactorFailureBehavior();

    /**
     * @deprecated Since Maven 4: use {@link #getProjectActivation()}.
     */
    @Deprecated

        } else {
            this.userProperties = null;
        }

        return this;
    }

    @Override
    public MavenExecutionRequest setReactorFailureBehavior(String failureBehavior) {
        reactorFailureBehavior = failureBehavior;

        return this;
    }

    @Override