ctrl_shift_v_paste_connect_unselected_outputs:true,//[true!] allows ctrl + shift + v to paste nodes with the outputs of the unselected nodes connected with the inputs of the newly pasted nodes
// if true, all newly created nodes/links will use string UUIDs for their id fields instead of integers.
// use this if you must have node IDs that are unique across all graphs and subgraphs.
use_uuids:false,
/**
* Register a node class so it can be listed when the user wants to create a new one