public PrimaryKey withLength(Integer length) {
        setLength(length);
        return this;
    }
<p>
A strictly positive integer value representing the length of the primary key.
</p>

@param length
       A strictly positive integer value representing the length of the primary key.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mainframemodernization/src/main/java/com/amazonaws/services/mainframemodernization/model/PrimaryKey.java