public UpdateCsvClassifierRequest withHeader(String... header) {
        if (this.header == null) {
            setHeader(new java.util.ArrayList<String>(header.length));
        }
        for (String ele : header) {
            this.header.add(ele);
        }
        return this;
    }
public UpdateCsvClassifierRequest withHeader ( String ... header ) { if ( this . header == null ) { setHeader ( new java . util . ArrayList < String > ( header . length ) ) ; } for ( String ele : header ) { this . header . add ( ele ) ; } return this ; }
<p>
A list of strings representing column names.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setHeader(java.util.Collection)} or {@link #withHeader(java.util.Collection)} if you want to override the
existing values.
</p>

@param header
A list of strings representing column names.
@return Returns a reference to this object so that method calls can be chained together.