public MockMvcRequestSpecBuilder addMultiPart(String controlName, File file) {
    """
	Specify a file to upload to the server using multi-part form data uploading with a specific
	control name. It will use the content-type <tt>application/octet-stream</tt>.
	If this is not what you want please use an overloaded method.
	
	@param file        The file to upload
	@param controlName Defines the control name of the body part. In HTML this is the attribute name of the input tag.
	@return The request specification
    """
        spec.multiPart(controlName, file);
        return this;
    }
public MockMvcRequestSpecBuilder addMultiPart(String controlName, File file) {
        spec.multiPart(controlName, file);
        return this;
    }
public MockMvcRequestSpecBuilder addMultiPart ( String controlName , File file ) { spec . multiPart ( controlName , file ) ; return this ; }
Specify a file to upload to the server using multi-part form data uploading with a specific
control name. It will use the content-type <tt>application/octet-stream</tt>.
If this is not what you want please use an overloaded method.

@param file        The file to upload
@param controlName Defines the control name of the body part. In HTML this is the attribute name of the input tag.
@return The request specification
Specify a file to upload to the server using multi - part form data uploading with a specific control name . It will use the content - type <tt > application / octet - stream< / tt > . If this is not what you want please use an overloaded method .