human
Solve the following python programming problem given the following code:
def build_swagger_12_api_declaration_view(api_declaration_json) : 
    'Thanks to the magic of closures, this means we gracefully return JSON
    without file IO at request time.
    ' 
    def view_for_api_declaration(request) : 
        return dict (api_declaration_json, basePath = str (request.application_url)) 
return <MASK> 
    
    Given the code above, what is a proper replacement for <MASK>?
assistant
#Here is a proper replacement for <MASK>.
def view_for_api_declaration(