public void setNumberOfBytes(Integer numberOfBytes) {
        this.numberOfBytes = numberOfBytes;
    }
<p>
The length of the data key in bytes. For example, use the value 64 to generate a 512-bit data key (64 bytes is
512 bits). For common key lengths (128-bit and 256-bit symmetric keys), we recommend that you use the
<code>KeySpec</code> field instead of this one.
</p>

@param numberOfBytes
       The length of the data key in bytes. For example, use the value 64 to generate a 512-bit data key (64
       bytes is 512 bits). For common key lengths (128-bit and 256-bit symmetric keys), we recommend that you use
       the <code>KeySpec</code> field instead of this one.
aws-java-sdk-kms/src/main/java/com/amazonaws/services/kms/model/GenerateDataKeyWithoutPlaintextRequest.java