How to use the pook.matchers.init function in pook

def headers(self, headers=None, **kw):
        """
        Defines a dictionary of arguments.

        Header keys are case insensitive.

        Arguments:
            headers (dict): headers to match.
            **headers (dict): headers to match as variadic keyword arguments.

        Returns:
            self: current Mock instance.
        """
        headers = kw if kw else headers
        self.add_matcher(matcher('HeadersMatcher', headers))

def body(self, body):
        """
        Defines the body data to match.

        ``body`` argument can be a ``str``, ``binary`` or a regular expression.

        Arguments:
            body (str|binary|regex): body data to match.

        Returns:
            self: current Mock instance.
        """
        self.add_matcher(matcher('BodyMatcher', body))

def jsonschema(self, schema):
        """
        Defines a JSONSchema representation to be used for body matching.

        Arguments:
            schema (str|dict): dict or JSONSchema string to use.

        Returns:
            self: current Mock instance.
        """
        self.add_matcher(matcher('JSONSchemaMatcher', schema))

def method(self, method):
        """
        Defines the HTTP method to match.
        Use ``*`` to match any method.

        Arguments:
            method (str): method value to match. E.g: ``GET``.

        Returns:
            self: current Mock instance.
        """
        self._request.method = method
        self.add_matcher(matcher('MethodMatcher', method))

def method(self, method):
        """
        Defines the HTTP method to match.
        Use ``*`` to match any method.

        Arguments:
            method (str): method value to match. E.g: ``GET``.

        Returns:
            self: current Mock instance.
        """
        self.add_matcher(matcher('MethodMatcher', method))

Header keys are case insensitive.

        Arguments:
            *names (str): header or headers names to match.

        Returns:
            self: current Mock instance.

        Example::

            (pook.get('server.com/api')
                .header_present('content-type'))
        """
        for name in names:
            headers = {name: re.compile('(.*)')}
            self.add_matcher(matcher('HeadersMatcher', headers))

def jsonschema(self, schema):
        """
        Defines a JSONSchema representation to be used for body matching.

        Arguments:
            schema (str|dict): dict or JSONSchema string to use.

        Returns:
            self: current Mock instance.
        """
        self.add_matcher(matcher('JSONSchemaMatcher', schema))

- ``xml`` = ``application/xml``
        - ``html`` = ``text/html``
        - ``text`` = ``text/plain``
        - ``urlencoded`` = ``application/x-www-form-urlencoded``
        - ``form`` = ``application/x-www-form-urlencoded``
        - ``form-data`` = ``application/x-www-form-urlencoded``

        Arguments:
            value (str): type alias or header value to match.

        Returns:
            self: current Mock instance.
        """
        header = {'Content-Type': TYPES.get(value, value)}
        self._request.headers = header
        self.add_matcher(matcher('HeadersMatcher', header))