:calls: `PATCH /repos/:owner/:repo/branches/:branch/protection/required_pull_request_reviews <https://developer.github.com/v3/repos/branches>`_
        :dismissal_users: list of strings
        :dismissal_teams: list of strings
        :dismiss_stale_reviews: bool
        :require_code_owner_reviews: bool
        :required_approving_review_count: int

def edit_required_pull_request_reviews(self, dismissal_users=github.GithubObject.NotSet, dismissal_teams=github.GithubObject.NotSet, dismiss_stale_reviews=github.GithubObject.NotSet, require_code_owner_reviews=github.GithubObject.NotSet, required_approving_review_count=github.GithubObject.NotSet):
        """
        :calls: `PATCH /repos/:owner/:repo/branches/:branch/protection/required_pull_request_reviews <https://developer.github.com/v3/repos/branches>`_
        :dismissal_users: list of strings
        :dismissal_teams: list of strings
        :dismiss_stale_reviews: bool
        :require_code_owner_reviews: bool
        :required_approving_review_count: int
        """
        assert dismissal_users is github.GithubObject.NotSet or all(isinstance(element, (str, unicode)) or isinstance(element, (str, unicode)) for element in dismissal_users), dismissal_users
        assert dismissal_teams is github.GithubObject.NotSet or all(isinstance(element, (str, unicode)) or isinstance(element, (str, unicode)) for element in dismissal_teams), dismissal_teams
        assert dismiss_stale_reviews is github.GithubObject.NotSet or isinstance(dismiss_stale_reviews, bool), dismiss_stale_reviews
        assert require_code_owner_reviews is github.GithubObject.NotSet or isinstance(require_code_owner_reviews, bool), require_code_owner_reviews
        assert required_approving_review_count is github.GithubObject.NotSet or isinstance(required_approving_review_count, int), required_approving_review_count

        post_parameters = {}
        if dismissal_users is not github.GithubObject.NotSet:
            post_parameters["dismissal_restrictions"] = {"users": dismissal_users}
        if dismissal_teams is not github.GithubObject.NotSet:
            if "dismissal_restrictions" not in post_parameters:
                post_parameters["dismissal_restrictions"] = {}
            post_parameters["dismissal_restrictions"]["teams"] = dismissal_teams
        if dismiss_stale_reviews is not github.GithubObject.NotSet:
            post_parameters["dismiss_stale_reviews"] = dismiss_stale_reviews
        if require_code_owner_reviews is not github.GithubObject.NotSet:
            post_parameters["require_code_owner_reviews"] = require_code_owner_reviews
        if required_approving_review_count is not github.GithubObject.NotSet:
            post_parameters["required_approving_review_count"] = required_approving_review_count
        headers, data = self._requester.requestJsonAndCheck(
            "PATCH",
            self.protection_url + "/required_pull_request_reviews",
            headers={'Accept': Consts.mediaTypeRequireMultipleApprovingReviews},
            input=post_parameters
        )