/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { GraphIdentifier, InspectableGraph, InspectableRunEdge, InspectableRunErrorEvent, InspectableRunEvent, MainGraphIdentifier, OutputValues, PathRegistryEntry, SequenceView } from "@breadboard-ai/types";
export declare const SECRET_PATH: number[];
export declare const ERROR_PATH: number[];
export declare const createSimpleEntry: (path: number[], event: InspectableRunEvent) => PathRegistryEntry;
declare class Entry implements PathRegistryEntry {
    #private;
    path: number[];
    id: string;
    parent: PathRegistryEntry | null;
    event: InspectableRunEvent | null;
    sidecars: InspectableRunEvent[];
    mainGraphId: MainGraphIdentifier | null;
    graphId: GraphIdentifier;
    graphStart: number;
    graphEnd: number | null;
    graph: InspectableGraph | null;
    edges: InspectableRunEdge[];
    view: SequenceView | null;
    constructor(path: number[], parent: PathRegistryEntry | null);
    empty(): boolean;
    addSidecar(path: number[], event: InspectableRunEvent): void;
    /**
     * We handle error specially, because unlike sidecars, errors result
     * in stopping the run, and we need to display them at the end of the run.
     * @param event -- The error event to add.
     */
    addError(event: InspectableRunErrorEvent): void;
    finalizeSidecar(path: number[], data?: {
        timestamp: number;
        outputs?: OutputValues;
    }): void;
    find(path: number[]): PathRegistryEntry | null;
    create(path: number[]): Entry;
    arrangeSidecars(): (InspectableRunEvent | null)[] | null;
    get children(): Entry[];
    get events(): InspectableRunEvent[];
}
export declare class PathRegistry extends Entry {
    constructor();
    find(path: number[]): PathRegistryEntry | null;
    create(path: number[]): Entry;
}
export {};
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