tests/cases/conformance/salsa/a.js(27,20): error TS2339: Property 'addon' does not exist on type '{ set: () => void; get(): void; }'.


==== tests/cases/conformance/salsa/a.js (1 errors) ====
    // all references to _map, set, get, addon should be ok
    
    /** @constructor */
    var Multimap = function() {
        this._map = {};
        this._map
        this.set
        this.get
        this.addon
    };
    
    Multimap.prototype = {
        set: function() {
            this._map
            this.set
            this.get
            this.addon
        },
        get() {
            this._map
            this.set
            this.get
            this.addon
        }
    }
    
    Multimap.prototype.addon = function () {
                       ~~~~~
!!! error TS2339: Property 'addon' does not exist on type '{ set: () => void; get(): void; }'.
        this._map
        this.set
        this.get
        this.addon
    }
    
    var mm = new Multimap();
    mm._map
    mm.set
    mm.get
    mm.addon
    