PdfBase : Core bits required for the GooFit evaluation structure
|- GooPdf
| |- ... (All simple PDFs)
| |- MixingTimeResolution
| | |- TruthResolution
| | |- ThreeGaussResolution
| |- GooCombine : A combination PDF that takes other Pdfs
|   |- ... (All combine PDFs PDFs)
|   |- AmpNBodyBase
|      |- Amp3BodyBase
|      | |- Amp3Body : DalitzPlotPdf
|      | |- Amp3Body_TD : TddpPdf
|      | |- Amp3Body_IS : IncoherentSumPdf
|      |- Amp4BodyBase
|        |- Amp4Body : DPPdf (in DP4Pdf.h)
|        |- Amp4Body_TD : TDDP4 (in Tddp4Pdf.h)
|- Component: A part of a PDF
  |- ComplexComponent : A complex component
    |- AmpComponent : Part of the AmpNBody system
      |- Resonance
      |- Amplitude
      |- Lineshape
      |- SpinFactor