import type { AgentMessageChunk, AgentThoughtChunk, SessionUpdate, SessionUpdateNotification, ToolCallStatus, ToolKind, UsageUpdate, UserMessageChunk } from "./types.js";
type SessionUpdateStreamItem = SessionUpdateNotification | SessionUpdate;
type MessageUpdate = UserMessageChunk | AgentMessageChunk | AgentThoughtChunk;
export interface ToolCallSummary {
    toolCallId: string;
    title: string;
    kind?: ToolKind;
    status?: ToolCallStatus;
    rawInput?: unknown;
    rawOutput?: unknown;
}
export type LegacyInternalEvent = {
    event: string;
} & Record<string, unknown>;
export declare function extractMessagesFromSessionUpdateStream(stream: AsyncIterable<SessionUpdateStreamItem> | Iterable<SessionUpdateStreamItem>): Promise<MessageUpdate[]>;
export declare function extractUsageFromSessionUpdateStream(stream: AsyncIterable<SessionUpdateStreamItem> | Iterable<SessionUpdateStreamItem>): Promise<UsageUpdate[]>;
export declare function extractToolCallSummariesFromSessionUpdateStream(stream: AsyncIterable<SessionUpdateStreamItem> | Iterable<SessionUpdateStreamItem>): Promise<ToolCallSummary[]>;
export declare function mapLegacyEventToSessionUpdates(event: LegacyInternalEvent): SessionUpdate[];
export {};