enum EdgeStyles { default = '', solid = 'solid', dashed = 'dashed', dotted='dotted', bold='bold' } enum NodeStyles { default = '', solid='solid', dashed='dashed', dotted='dotted', bold='bold', rounded='rounded', diagonals='diagonals', filled='filled', striped='striped', wedged='wedged', invisible='invis' } enum GraphStyles { solid = 'solid', dashed = 'dashed', dotted = 'dotted', bold = 'bold', rounded = 'rounded', filled = 'filled', striped = 'striped' } export { EdgeStyles, NodeStyles, GraphStyles };