"description":"Use this method to get the number of members in a chat. Returns Int on success.",
"html_description":"<p>Use this method to get the number of members in a chat. Returns <em>Int</em> on success.</p>",
"rst_description":"Use this method to get the number of members in a chat. Returns *Int* on success.",
"annotations":[
{
"type":"Integer or String",
"required":true,
"description":"Unique identifier for the target chat or username of the target supergroup or channel (in the format @channelusername)",
"html_description":"<td>Unique identifier for the target chat or username of the target supergroup or channel (in the format <code>@channelusername</code>)</td>",
"rst_description":"Unique identifier for the target chat or username of the target supergroup or channel (in the format :code:`@channelusername`)\n",