t` or :py:class:`~pyasn1.type.base.PyAsn1Item` derivative
            A Python value to initialize |ASN.1| component with (if *componentType* is set)
            or ASN.1 value object to assign to |ASN.1| component. Once a new value is
            set to *idx* component, previous value is dropped.
            If `value` is not given, schema object will be set as a component.

        verifyConstraints : :class:`bool`
            If :obj:`False`, skip constraints validation

        matchTags: :class:`bool`
            If :obj:`False`, skip component tags matching

        matchConstraints: :class:`bool`
            If :obj:`False`, skip component constraints matching

        Returns
        -------
        self
        )