RawParameter.java

// Test case for issue #516: https://github.com/typetools/checker-framework/issues/516

import org.checkerframework.checker.nullness.qual.Nullable;

public class RawParameter<T> {
    private @Nullable T payload;

    // Using a parameterized type here avoids the exception
    @SuppressWarnings("unchecked")
    public void clearPayload(RawParameter node) {
        node.payload = null;
    }
}