import type { JsonObject, JsonValue } from "@bastani/pi-ai";
import type { AgentSessionEvent } from "./agent-session-types.js";
/** Assistant prose. */
export interface TranscriptTextPart {
    type: "text";
    text: string;
}
/** Visible assistant reasoning. Redacted thinking blocks are never reported. */
export interface TranscriptThinkingPart {
    type: "thinking";
    thinking: string;
}
/** The latest result reported for a tool call. */
export interface TranscriptToolResult {
    /** Text content of the result, joined with newlines. Set when the tool reports `"content"`. */
    content?: string;
    /**
     * The result's `details`, or `null` when it had none. Set when the tool reports `"details"`.
     * A failed call without details also carries its error text in `content`.
     */
    details?: JsonValue;
    isError: boolean;
    /** True while the result comes from `tool_execution_update` and the tool is still running. */
    isPartial: boolean;
}
/** A tool call from assistant content, joined by id with its execution result. */
export interface TranscriptToolCallPart {
    type: "toolCall";
    id: string;
    name: string;
    arguments: JsonObject;
    /** Absent until the tool reports an update or finishes. */
    result?: TranscriptToolResult;
}
export type TranscriptPart = TranscriptTextPart | TranscriptThinkingPart | TranscriptToolCallPart;
/** Which field of a tool result to report: its text content (the default) or its `details`. */
export type TranscriptToolResultFormat = "content" | "details";
export interface TranscriptOptions {
    /** Choose per tool whether `result.content` or `result.details` is reported. Defaults to `"content"`. */
    toolResult?: (toolName: string) => TranscriptToolResultFormat;
}
export interface Transcript {
    /** Feed one session event. Events from nested tool calls (`parentToolCallId`) are ignored. */
    apply(event: AgentSessionEvent): void;
    /** Ordered parts of every assistant message seen so far, including the one still streaming. */
    parts(): TranscriptPart[];
}
/**
 * Reduce session events into the assistant's output as plain JSON parts.
 *
 * ```ts
 * const transcript = createTranscript();
 * session.subscribe((event) => transcript.apply(event));
 * transcript.parts();
 * ```
 */
export declare function createTranscript(options?: TranscriptOptions): Transcript;
//# sourceMappingURL=transcript.d.ts.map