type NodeShapes =
  '' | 'assembly' | 'box' | 'box3d' | 'cds' | 'circle' | 'component'
  | 'cylinder' | 'diamond' | 'doublecircle' | 'doubleoctagon' | 'egg'
  | 'ellipse' | 'fivepoverhang' | 'folder' | 'hexagon' | 'house'
  | 'insulator' | 'invhouse' | 'invtrapezium' | 'invtriangle' | 'larrow'
  | 'lpromoter' | 'Mcircle' | 'Mdiamond' | 'Msquare' | 'none' | 'note'
  | 'noverhang' | 'octagon' | 'oval' | 'parallelogram' | 'pentagon'
  | 'plain' | 'plaintext' | 'point' | 'polygon' | 'primersite' | 'promoter'
  | 'proteasesite' | 'proteinstab' | 'rarrow' | 'rect' | 'rectangle'
  | 'restrictionsite' | 'ribosite' | 'rnastab' | 'rpromoter' | 'septagon'
  | 'signature' | 'square' | 'star' | 'tab' | 'terminator' | 'threepoverhang'
  | 'trapezium' | 'triangle' | 'tripleoctagon' | 'underline' | 'utr'

export { NodeShapes };