/**
 * engram_decisions — query architectural decisions stored in engram.
 */
import type { DecisionSearchObservation, EngramRestClient } from '../client.js';
import type { PluginConfig } from '../config.js';
import type { AnyAgentTool, OpenClawPluginToolContext } from '../types/openclaw.js';
export declare function createEngramDecisionsTool(ctx: OpenClawPluginToolContext, client: EngramRestClient, config: PluginConfig): AnyAgentTool;
export declare function formatDecisions(decisions: DecisionSearchObservation[]): string;
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