void testGetCreditCost() {
        // Test case for getCreditCost method
        int expectedCreditCost = 10;
        when(mockRequest.getCreditCost()).thenReturn(expectedCreditCost);

        int actualCreditCost = mockRequest.getCreditCost();

        assertEquals(expectedCreditCost, actualCreditCost, "Credit cost should match the mocked value.");
        verify(mockRequest, times(1)).getCreditCost(); // Verify method was called once
    }

        super.setNext(next);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#getCreditCost()
     */
    @Override
    public int getCreditCost() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#setRequestCredits(int)
     */
    @Override

        if (asyncId != 0) {
            addFlags(SMB2_FLAGS_ASYNC_COMMAND);
        }
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#getCreditCost()
     */
    @Override
    public int getCreditCost() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#isResponseAsync()
     */
    @Override

 */
public interface Request extends Message {

    /**
     * Gets the number of credits this request requires.
     *
     * @return number of credits this request requires
     */
    int getCreditCost();

    /**
     * Sets the number of request credits.
     *
     * @param credits the number of credits to set
     */
    void setRequestCredits(int credits);

    /**