maqetta/maqetta — comment on commit 410b2038b7fd634cab41f8767e2760ad0b4e55a6
File: maqetta.core.client/WebContent/davinci/review/model/Resource.js line 7
By peller:

can't replace mixin with declare. mixin creates an object with properties, declare uses prototype, so you have to 'new' the object to use it