def get_entry(self):
        """get the schema as an LDAP entry"""
    def get_subschema(self):
        """get the schema as a python-ldap SubSchema object"""
    def list_files(self):
        """return a list of the schema files in the instance schemadir"""
    def file_to_ldap(self, filename):
        """convert the given schema file name to its python-ldap format
        suitable for passing to ldap.schema.SubSchema()
        @param filename - the full path and filename of a schema file in ldif format"""
    def file_to_subschema(self, filename):
        """convert the given schema file name to its python-ldap format
        ldap.schema.SubSchema object
        @param filename - the full path and filename of a schema file in ldif format"""
    def add_schema(self, attr, val):
        """Add a schema element to the schema.
        @param attr the attribute type to use e.g. attributeTypes or objectClasses
        @param val the schema element definition to add"""
    def del_schema(self, attr, val):
        """Delete a schema element from the schema.
        @param attr the attribute type to use e.g. attributeTypes or objectClasses
        @param val the schema element definition to delete"""
    def add_attribute(self, *attributes):
        """Add an attribute type definition to the schema.
        @param attributes a single or list of attribute type defintions to add"""
    def add_objectclass(self, *objectclasses):
        """Add an object class definition to the schema.
        @param objectclasses a single or list of object class defintions to add"""
    def get_schema_csn(self):
        """return the schema nsSchemaCSN attribute"""