this.creditsGranted = 0;
    }

    /**
     * Get initial number of credits to request
     *
     * @return initial credits
     */
    public int getInitialCredits() {
        return initialCredits;
    }

    /**
     * Set initial credits
     *
     * @param initialCredits initial credits to request
     */
    public void setInitialCredits(int initialCredits) {

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);

    /**
     * Checks if this is a cancel request.
     *

    /**
     * Grant a send credit
     */
    public void grantSendCredit() {
        sendCredits.incrementAndGet();
    }

    /**
     * Grant a receive credit
     */
    public void grantReceiveCredit() {
        receiveCredits.incrementAndGet();
    }

    /**
     * Get number of available send credits
     *
     * @return available send credits
     */

        this.maxVersion = maxVersion;
    }

    /**
     * Get number of credits requested
     *
     * @return credits requested
     */
    public int getCreditsRequested() {
        return creditsRequested;
    }

    /**
     * Set number of credits requested
     *
     * @param creditsRequested credits to request
     */
    public void setCreditsRequested(int creditsRequested) {

        this.selectedVersion = selectedVersion;
    }

    /**
     * Get number of credits granted
     *
     * @return credits granted
     */
    public int getCreditsGranted() {
        return creditsGranted;
    }

    /**
     * Set number of credits granted
     *
     * @param creditsGranted credits granted
     */
    public void setCreditsGranted(int creditsGranted) {

    }

    /**
     * Get the number of send credits granted
     *
     * @return credits granted
     */
    public int getCreditsGranted() {
        return creditsGranted;
    }

    /**
     * Set the number of send credits granted
     *
     * @param creditsGranted credits to grant
     */
    public void setCreditsGranted(int creditsGranted) {

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

    @Test
    void testSetRequestCredits() {
        // Test case for setRequestCredits method
        int credits = 5;
        mockRequest.setRequestCredits(credits);

    }

    /**
     * Get the number of send credits requested
     *
     * @return credits requested
     */
    public int getCreditsRequested() {
        return creditsRequested;
    }

    /**
     * Set the number of send credits requested
     *
     * @param creditsRequested credits to request
     */
    public void setCreditsRequested(int creditsRequested) {

     * Set received status
     */
    void received();

    /**
     * Unset received status
     */
    void clearReceived();

    /**
     * Gets the number of credits granted by the server.
     *
     * @return number of credits granted by the server
     */
    int getGrantedCredits();

    /**
     * Gets the error status code.
     *
     * @return status code
     */
    int getErrorCode();

     */
    public static final int DEFAULT_RDMA_READ_WRITE_SIZE = 1048576; // 1MB

    /**
     * Default maximum number of receive credits
     */
    public static final int DEFAULT_RECEIVE_CREDIT_MAX = 255;

    /**
     * Default target number of send credits
     */
    public static final int DEFAULT_SEND_CREDIT_TARGET = 32;

    /**
     * Default maximum receive size (8KB)
     */