help required about matching

I am designing oscillator.
can any one tell me where matching circuit should be added?
at transistor output terminal(S11,S22) or at oscillator output?
frequency of oscillator is 5.8GHz

i think at oscilator output as nou we treat the oscillator as one block

so
I should not worry about transistor matching in oscillator design, right?
Also after getting oscillation at the output, matching should be done?

I think after oscillation, it finishs oscillator, no matching will be done

U have to do matching at the output of the oscillator and input to other block i.e where the output of oscillator is to be given.