@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getCertificateAuthorityPublicKeyIdentifier() != null)
            sb.append("CertificateAuthorityPublicKeyIdentifier: ").append(getCertificateAuthorityPublicKeyIdentifier()).append(",");
        if (getSigningKeyCertificate() != null)
            sb.append("SigningKeyCertificate: ").append("***Sensitive Data Redacted***").append(",");
        if (getImportToken() != null)
            sb.append("ImportToken: ").append(getImportToken()).append(",");
        if (getWrappedKeyBlock() != null)
            sb.append("WrappedKeyBlock: ").append(getWrappedKeyBlock()).append(",");
        if (getKeyBlockFormat() != null)
            sb.append("KeyBlockFormat: ").append(getKeyBlockFormat()).append(",");
        if (getRandomNonce() != null)
            sb.append("RandomNonce: ").append(getRandomNonce());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-paymentcryptography/src/main/java/com/amazonaws/services/paymentcryptography/model/ImportTr34KeyBlock.java