GatewayThreadMembersUpdate

export interface GatewayThreadMembersUpdate 
export interface GatewayThreadMembersUpdate
https://discord.com/developers/docs/topics/gateway-events#thread-members-update-thread-members-update-event-fields
added_members?:APIThreadMember[]
The members that were added to the thread
guild_id:Snowflake
The id of the guild that the thread is in
id:Snowflake
The id of the thread for which members are being synced
member_count:number
The approximate member count of the thread, does not count above 50 even if there are more members
removed_member_ids?:Snowflake[]
The ids of the members that were removed from the thread