/**
 * buildRetrievalBundle — SDK tool wrapping the multi-pass retrieval bundle builder.
 *
 * Executes up to three passes in parallel (cold/warm/hot) to assemble a
 * structured context bundle for agent briefing within a token budget.
 *
 * @arch SDK Tool (Category B) — pure-functional, contracts-typed, no I/O at top level
 * @task T10070
 * @epic T9835
 */
import type { BuildRetrievalBundleInput, BuildRetrievalBundleOutput } from '@cleocode/contracts';
import type { RegisteredSdkTool } from '../task-tools/sdk-tool.js';
/** Registered SDK tool for building multi-pass BRAIN retrieval bundles. */
export declare const buildRetrievalBundle: RegisteredSdkTool<BuildRetrievalBundleInput, Promise<BuildRetrievalBundleOutput>>;
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