type OmniOscillatorType = "fatsine" | "fatsquare" | "fatsawtooth" | "fattriangle" | "fatcustom" | FatTypeWithPartials | "fmsine" | "fmsquare" | "fmsawtooth" | "fmtriangle" | "fmcustom" | FMTypeWithPartials | "amsine" | "amsquare" | "amsawtooth" | "amtriangle" | "amcustom" | AMTypeWithPartials | TypeWithPartials | OscillatorType | "pulse" | "pwm"