Object[] params = new Object[sig.size()];
    params[0] = firstParam;
    if (params.length > 1) {
      params[1] = "";
      if (params.length > 2) {
        // fill in the rest of the array with arbitrary instances
        for (int i = 2; i < params.length; i++) {
          params[i] = ArbitraryInstances.get(sig.get(i));
        }
      }
    }
    return params;
  }

import org.jspecify.annotations.NullUnmarked;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * Abstract base class for testing implementations of {@link Graph} interface. Graph instances
 * created for testing should have Integer node and String edge objects.
 *
 * <p>Test cases that should be handled similarly in any graph implementation are included in this

     * an interface type. 2) An instance of a class implementing that interface
     * so that we can pass non-null instances of the interface.
     *
     * (Currently it's safe to pass instances for which compareTo() always
     * returns 0, but if we had a SingletonImmutableSortedSet, this might no
     * longer be the case.)
     *

 * behavior:
 *
 * {@snippet :
 * BaseEncoding.base16().lowerCase().decode("deadbeef");
 * }
 *
 * <p>Warning: BaseEncoding instances are immutable. Invoking a configuration method has no effect
 * on the receiving instance; you must store and use the new encoding instance it returns, instead.
 *
 * {@snippet :
 * // Do NOT do this

        transformer.reset();
        assertEquals(0, transformer.getState());
        assertEquals(0, transformer.getProcessedUrls().size());
    }

    /**
     * Test multiple transformer instances
     */
    public void test_multipleTransformerInstances() {
        TestTransformer transformer1 = new TestTransformer("transformer1");
        TestTransformer transformer2 = new TestTransformer("transformer2");

  }

  /*
   * Whenever an implementation uses `instanceof` on a parameter instance, the test has to know that
   * (so much for "black box") and try instances that both do and don't pass the check. The "don't"
   * half of that is more awkward to arrange...
   */
  private static <T> Iterable<T> iterable(Collection<T> collection) {
    // return collection::iterator;

    }

    @Override
    public String toString() {
      return "Booleans.lexicographicalComparator()";
    }
  }

  /**
   * Copies a collection of {@code Boolean} instances into a new array of primitive {@code boolean}
   * values.
   *
   * <p>Elements are copied from the argument collection as if by {@code collection.toArray()}.

         * implementation of TypeVariable, but the behavior of the built-in implementation differs
         * across platforms:
         *
         * - Under the JDK, the built-in TypeVariable's equals() method doesn't recognize instances
         *   of our TypeVariable implementation.
         *
         * - Under Android, it does.
         *
         * We want users to see the same behavior when they compare a built-in TypeVariable against

    }

    @Override
    public String toString() {
      return "Booleans.lexicographicalComparator()";
    }
  }

  /**
   * Copies a collection of {@code Boolean} instances into a new array of primitive {@code boolean}
   * values.
   *
   * <p>Elements are copied from the argument collection as if by {@code collection.toArray()}.

  *len = debug_str.size();
  char* ret = static_cast<char*>(malloc(*len + 1));
  memcpy(ret, debug_str.c_str(), *len + 1);
  return ret;
}

// On success, returns a set of TF_Function instances from `text_proto` of
// GraphDef type. These functions must be deleted by calling TF_DeleteFunction.
//
// If `mutate_proto_func` is non-NULL, run it over each FunctionDef proto,