p.location-badge. exported from angular2/di defined in angular2/src/di/binding.ts (line 24) :markdown .l-main-section h2 Members .l-sub-section h3 constructor pre.prettyprint code. constructor(key: Key, optional: boolean, lowerBoundVisibility: any, upperBoundVisibility: any, properties: List<any>) :markdown .l-sub-section h3 key :markdown .l-sub-section h3 optional :markdown .l-sub-section h3 lowerBoundVisibility :markdown .l-sub-section h3 upperBoundVisibility :markdown .l-sub-section h3 properties :markdown