(Optional) Options: isAsync [type:"Boolean", default:"false"] - (Optional) True to make the command async. promise [type: "jQuery.Promise", maybeNull: "true"] - (Optional) The promise object to tell the async command to resolve or reject. afterInsertLogic [type:"Function", maybeNull: "true"] - (Optional) Logic to execute after inserting the replacer. afterRemoveLogic [type:"Function", maybeNull: "true"] - (Optional) Logic to execute after removing the replacee. removeFirst [type:"Boolean", mayBeNull: "true", default: false] - (Optional) First perform removal of the replacee, then insert replacer isUndo [type: "Boolean" default: "false"] - True to designate this command as a result of an undo action. isRedo [type: "Boolean" default: "false"] - True to designate this command as a result of a redo action.