-record(accumulator_state, {
    id :: gleam@option:option(binary()),
    message_type :: gleam@option:option(binary()),
    role :: gleam@option:option(anthropic@types@message:role()),
    model :: gleam@option:option(binary()),
    content_blocks :: gleam@dict:dict(integer(), anthropic@streaming@accumulator:content_block_state()),
    stop_reason :: gleam@option:option(anthropic@types@request:stop_reason()),
    stop_sequence :: gleam@option:option(binary()),
    input_tokens :: integer(),
    output_tokens :: integer(),
    is_complete :: boolean(),
    error :: gleam@option:option(anthropic@types@streaming:stream_error())
}).