public MultiPartConfig defaultControlName(String defaultControlName) {
        return new MultiPartConfig(defaultControlName, defaultFileName, defaultSubtype, defaultBoundary, defaultCharset, true);
    }
public MultiPartConfig defaultControlName(String defaultControlName) {
        return new MultiPartConfig(defaultControlName, defaultFileName, defaultSubtype, defaultBoundary, defaultCharset, true);
    }
public MultiPartConfig defaultControlName ( String defaultControlName ) { return new MultiPartConfig ( defaultControlName , defaultFileName , defaultSubtype , defaultBoundary , defaultCharset , true ) ; }
Specify the default control name to use if not defined explicitly in multi-part request.
<p>
Default is {@value #DEFAULT_CONTROL_NAME}
</p>

@param defaultControlName The control name to use
@return A new instance of {@link MultiPartConfig}
Specify the default control name to use if not defined explicitly in multi - part request . <p > Default is { @value #DEFAULT_CONTROL_NAME } < / p >