message: Fixed the incorrect import of Behavior from model
diff: @@ -21,8 +21,9 @@ import {Function as ResolvedFunction} from './javascript/function';
  import {Namespace as ResolvedNamespace} from './javascript/namespace';
  import {Document} from './model/document';
  import {Feature} from './model/feature';
  -import {Attribute as ResolvedAttribute, Element as ResolvedElement, ElementMixin as ResolvedMixin, Event as ResolvedEvent, Method as ResolvedMethod, PolymerBehavior as ResolvedPolymerBehavior, Property as ResolvedProperty, SourceRange as ResolvedSourceRange} from './model/model';
  +import {Attribute as ResolvedAttribute, Element as ResolvedElement, ElementMixin as ResolvedMixin, Event as ResolvedEvent, Method as ResolvedMethod, Property as ResolvedProperty, SourceRange as ResolvedSourceRange} from './model/model';
  import {Package} from './model/package';
  +import {Behavior as ResolvedPolymerBehavior} from './polymer/behavior';
  export type ElementOrMixin = ResolvedElement | ResolvedMixin;
  