lib/collection/header-list.js
function (obj) {
        return Boolean(obj) && ((obj instanceof HeaderList) ||
          _.inSuperChain(obj.constructor, PROP_NAME, HeaderList._postman_propertyName));
    }
function (obj) {
        return Boolean(obj) && ((obj instanceof HeaderList) ||
          _.inSuperChain(obj.constructor, PROP_NAME, HeaderList._postman_propertyName));
    }
function ( obj ) { return Boolean ( obj ) && ( ( obj instanceof HeaderList ) || _ . inSuperChain ( obj . constructor , PROP_NAME , HeaderList . _postman_propertyName ) ) ; }
Checks if the given object is a HeaderList

@param {*} obj
@returns {Boolean}
Checks if the given object is a HeaderList