import type { Observer } from "@git-stunts/git-warp";
/** A hydrated node with its ID and properties. */
export interface HydratedNode {
    readonly id: string;
    readonly props: Readonly<Record<string, unknown>>;
}
/** Traversal options matching observer.traverse.bfs. */
export interface TraverseOptions {
    readonly dir: "out" | "in";
    readonly labelFilter?: string;
    readonly maxDepth?: number;
}
/**
 * BFS traversal followed by batch property hydration.
 *
 * Combines two common operations into one call:
 * 1. `observer.traverse.bfs()` for topology discovery
 * 2. `observer.query().match(ids).select(["id", "props"]).run()` for batch hydration
 *
 * Returns hydrated nodes with both IDs and properties.
 */
export declare function traverseAndHydrate(observer: Observer, startId: string, options: TraverseOptions): Promise<readonly HydratedNode[]>;
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