question: remove an edge of the triangle . concode_field_sep boolean border concode_elem_sep List<Edge> edges concode_elem_sep List<Triangle> neighbours concode_elem_sep int id concode_field_sep boolean addNeighbour concode_elem_sep int getId concode_elem_sep boolean removeNeighbour concode_elem_sep boolean isBorder concode_elem_sep List<Triangle> getNeighbours concode_elem_sep boolean addEdges concode_elem_sep boolean removeNeighbours concode_elem_sep void setBorder concode_elem_sep void setId concode_elem_sep void setNeighbours concode_elem_sep boolean removeEdges concode_elem_sep boolean addNeighbours concode_elem_sep List<Edge> getEdges concode_elem_sep boolean addEdge concode_elem_sep void setEdges
target: boolean function ( Edge arg0 ) { return getEdges ( ) . remove ( arg0 ) ; }