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      CheckBadValues : UGen {
	*ar {arg in = 0.0, id = 0, post = 2;
		^this.multiNew('audio', in, id, post);
	}
	*kr {arg in = 0.0, id = 0, post = 2;
		^this.multiNew('control', in, id, post);
	}
	checkInputs {
		if (rate == \audio) {
			^this.checkSameRateAsFirstInput;
		};
		^this.checkValidInputs
	}
}
Sanitize : UGen {
	*ar { |in = 0.0, replace = 0.0|
		^this.multiNew('audio', in, replace);
	}
	*kr { |in = 0.0, replace = 0.0|
		^this.multiNew('control', in, replace);
	}
	checkInputs {
		if (rate == \audio) {
			^this.checkSameRateAsFirstInput;
		};
		^this.checkValidInputs
	}
} 
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