Difference between continueWith and continueWithTask not clear in the documentation about bolts-swift HOT 1 OPEN

As far as I'm concerned, you use continueWith if you want to do something with the result of a task and return a value to be used by the next continuation block. For example, the previous task returns a string, you manipulate the string in continueWith and return the result. Then in the next block something is done with the manipulated string.

continueWithTask on the other side is used if you instead of returning a plain value, you want to return another task. Chaining another continueWith will get the result of the other task. Here is an example:

aFunctionWhichReturnsATaskOfInt().continueOnSuccessWith(){ aInt in
return result > 0
}.continueOnSuccessWithTask(){ aBool -> Task in
return anotherFunctionWhichReturnsATaskOfString(aBool: aBool)
}.continueOnSuccessWith(){ aString in
...
}

from bolts-swift.