get the downlinks of this node . concode_field_sep int edgeOffset concode_elem_sep FigNode figure concode_elem_sep float UPLINK_FACTOR concode_elem_sep List<ClassdiagramNode> uplinks concode_elem_sep int rank concode_elem_sep List<ClassdiagramNode> downlinks concode_elem_sep int NORANK concode_elem_sep int column concode_elem_sep int placementHint concode_elem_sep float weight concode_elem_sep int NOCOLUMN concode_elem_sep int NOWEIGHT concode_field_sep Vector<ClassdiagramNode> getUplinks concode_elem_sep Point getLocation concode_elem_sep boolean isComment concode_elem_sep List<ClassdiagramNode> getUpNodes concode_elem_sep float getWeight concode_elem_sep FigNode getFigure concode_elem_sep Vector<ClassdiagramNode> getDownlinks concode_elem_sep int compareTo concode_elem_sep void setColumn concode_elem_sep void addDownlink concode_elem_sep void setLocation concode_elem_sep void setEdgeOffset concode_elem_sep boolean isStandalone concode_elem_sep int getColumn concode_elem_sep float getSubtreeWeight concode_elem_sep float calculateWeight concode_elem_sep void setRank concode_elem_sep void addRank concode_elem_sep int getTypeOrderNumer concode_elem_sep int getEdgeOffset concode_elem_sep int getRank concode_elem_sep void setWeight concode_elem_sep boolean isPackage concode_elem_sep void addUplink concode_elem_sep int getLevel concode_elem_sep Dimension getSize concode_elem_sep void setPlacementHint concode_elem_sep int getPlacementHint concode_elem_sep void setFigure