import type { WorkflowSessionEntryRecord, WorkflowSessionEventRecord } from "../workflows/types.js";
export type TemporalContentBlock = {
    contentIndex: number;
    kind: "text" | "thinking" | "toolCall";
    text: string;
    value?: unknown;
};
export type TemporalMessage = {
    messageId: string;
    role: string;
    status: "streaming" | "finished" | "error" | "settled" | "unsettled";
    entryId?: string;
    blocks: TemporalContentBlock[];
};
export type TemporalTool = {
    toolCallId: string;
    messageId: string;
    toolName: string;
    status: "running" | "finished" | "failed";
    updates: number;
    args?: unknown;
    result?: unknown;
};
export type TemporalSessionState = {
    throughSeq: number;
    messages: TemporalMessage[];
    tools: TemporalTool[];
    settledEntryIds: string[];
    diagnostics: string[];
};
/** Fold the durable semantic journal through one sequence position. */
export declare function reduceSessionEvents(entries: WorkflowSessionEntryRecord[], events: WorkflowSessionEventRecord[], throughSeq?: number): TemporalSessionState;
/**
 * In-memory seek index. Checkpoints are viewer-only cache state and are never
 * persisted into a run bundle.
 */
export declare class SessionReplayIndex {
    private readonly entries;
    private readonly events;
    private readonly checkpoints;
    private readonly timestamps;
    constructor(entries: WorkflowSessionEntryRecord[], events: WorkflowSessionEventRecord[], checkpointInterval?: number);
    stateAtSeq(throughSeq: number): TemporalSessionState;
    seqAtOrBefore(timestampMs: number): number;
}