Represents the content_block_delta SSE event from the Anthropic streaming API.
Carries an incremental update for the content block at index. For text
blocks the delta has type: :text_delta; for tool-use blocks it has
type: :input_json_delta with a partial JSON string.
Summary
Types
@type t() :: %Anthropic.Event.ContentBlockDelta{ delta: delta(), index: non_neg_integer() }