@type t() :: %OpenCode.Generated.EventSessionNextToolSuccessProperties{
  assistant_message_id: String.t(),
  call_id: String.t(),
  content: [
    OpenCode.Generated.ToolFileContent.t()
    | OpenCode.Generated.ToolTextContent.t()
  ],
  provider:
    OpenCode.Generated.EventSessionNextToolSuccessPropertiesProvider.t(),
  result: map() | nil,
  session_id: String.t(),
  structured: map(),
  timestamp: number()
}