public function update($read, $write, $manage) {
        return $this->proxy()->update($read, $write, $manage);
    }
public function update($read, $write, $manage) {
        return $this->proxy()->update($read, $write, $manage);
    }
public function update ( $ read , $ write , $ manage ) { return $ this -> proxy ( ) -> update ( $ read , $ write , $ manage ) ; }
Update the DocumentPermissionInstance

@param boolean $read Read access.
@param boolean $write Write access.
@param boolean $manage Manage access.
@return DocumentPermissionInstance Updated DocumentPermissionInstance
@throws TwilioException When an HTTP error occurs.
Update the DocumentPermissionInstance