public RowFilter withOr(RowFilter... or) {
        if (this.or == null) {
            setOr(new java.util.ArrayList<RowFilter>(or.length));
        }
        for (RowFilter ele : or) {
            this.or.add(ele);
        }
        return this;
    }
<p>
The 'or' clause of the row filter.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setOr(java.util.Collection)} or {@link #withOr(java.util.Collection)} if you want to override the
existing values.
</p>

@param or
       The 'or' clause of the row filter.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/RowFilter.java