@type t() :: map()

AMI Event received from Asterisk. It is a map with fields as header name and header values. Header value is a list as AMI supports multiple fields with same name. For example, following AMI Event:

  Event: Status
  Name: Channels
  Var: foo=1
  Var: bar=AAA

Will be represented as:

  %AMI.Packet{
    "Event" => ["Status"],
    "Name" => ["Channels"],
    "Var" => ["foo=1", "bar=AAA"]
  }