| tidy3d.plugins.invdes.FilterProject
 | Transformation involving convolution by a conic filter followed by a tanhprojection. | 
| tidy3d.plugins.invdes.ErosionDilationPenalty
 | Erosion and dilation penalty, addable to tdi.TopologyDesignRegion.penalties. | 
| tidy3d.plugins.invdes.TopologyDesignRegion
 | Design region as a pixellated permittivity grid. | 
| tidy3d.plugins.invdes.InverseDesign
 | Container for an inverse design problem. | 
| tidy3d.plugins.invdes.InverseDesignMulti
 | InverseDesignwith multiple simulations and corresponding postprocess functions.
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| tidy3d.plugins.invdes.InverseDesignResult
 | Container for the result of an InverseDesign.run()call. | 
| tidy3d.plugins.invdes.AdamOptimizer
 | Specification for an optimization. |