mxConnectionHandler.prototype.isValidTarget=function(a){return!0};mxConnectionHandler.prototype.validateConnection=function(a,b){return this.isValidTarget(b)?this.graph.getEdgeValidationError(null,a,b):""};mxConnectionHandler.prototype.getConnectImage=function(a){return this.connectImage};mxConnectionHandler.prototype.isMoveIconToFrontForState=function(a){return null!=a.text&&a.text.node.parentNode==this.graph.container?!0:this.moveIconFront};