def METHOD_NAME(self) -> TaskEntryDict:
    """Returns a dict-representation of the task.
    Returns:
        dict. Contains the following keys:
            entity_type: str. The type of entity the task entry refers to.
                For example, "exploration".
            entity_id: str. The ID of the entity the task entry refers to.
                For example, an exploration ID.
            entity_version: int. The version of the entity the task entry
                refers to. For example, an exploration's version.
            task_type: str. The type of task the task entry tracks.
            target_type: str. The type of sub-entity the task entry refers
                to. For example, "state" when entity type is "exploration".
            target_id: str. The ID of the sub-entity the task entry refers
                to. For example, the state name of an exploration.
            issue_description: str. The sentence generated by Oppia to
                describe why the task was created.
            status: str. Tracks the state/progress of the task entry.
            resolver_username: str|None. Username of the user who resolved
                the task when status is resolved. Otherwise None.
            resolved_on_msecs: float|None. Time in
                milliseconds since epoch at which the task was resolved
                when status is resolved. Otherwise None.
    """
    return {
        'entity_type': self.entity_type,
        'entity_id': self.entity_id,
        'entity_version': self.entity_version,
        'task_type': self.task_type,
        'target_type': self.target_type,
        'target_id': self.target_id,
        'issue_description': self.issue_description,
        'status': self.status,
        'resolver_username': None,
        'resolved_on_msecs': (
            None if not self.resolved_on
            else utils.get_time_in_millisecs(self.resolved_on)),
    }