Schema representing a CreateChatCompletionStreamResponse within the OpenAI API
@type t() :: %ExOpenAI.Components.CreateChatCompletionStreamResponse{ choices: [ %{ delta: ExOpenAI.Components.ChatCompletionStreamResponseDelta.t(), finish_reason: :function_call | :length | :stop, index: integer() } ], created: integer(), id: String.t(), model: String.t(), object: String.t() }