Alchemy.Cache.voice_state

You're seeing just the function voice_state, go back to Alchemy.Cache module for more information.
Link to this function

voice_state(guild_id, user_id)

Specs

voice_state(snowflake(), snowflake()) ::
  {:ok, Alchemy.Voice.state()} | {:error, String.t()}

Retrieves a user's voice state by id in a guild.