@staticmethod<EOL><INDENT>def legacy_adjustment(bpmn_diagram):<DEDENT>
for node in bpmn_diagram.get_nodes():<EOL><INDENT>if node[<NUM_LIT:1>].get(consts.Consts.incoming_flow) is None:<EOL><INDENT>node[<NUM_LIT:1>][consts.Consts.incoming_flow] = []<EOL><DEDENT>if node[<NUM_LIT:1>].get(consts.Consts.outgoing_flow) is None:<EOL><INDENT>node[<NUM_LIT:1>][consts.Consts.outgoing_flow] = []<EOL><DEDENT>if node[<NUM_LIT:1>].get(consts.Consts.event_definitions) is None:<EOL><INDENT>node[<NUM_LIT:1>][consts.Consts.event_definitions] = []<EOL><DEDENT><DEDENT>
:param bpmn_diagram: