/**
 * engram_rate — rate an observation as useful or not useful.
 *
 * WHEN TO USE: After recalling a memory that influenced your work.
 * Rate it so engram learns what to prioritize in future sessions.
 */
import type { EngramRestClient } from '../client.js';
import type { PluginConfig } from '../config.js';
import type { AnyAgentTool, OpenClawPluginToolContext } from '../types/openclaw.js';
export declare function createEngramRateTool(_ctx: OpenClawPluginToolContext, client: EngramRestClient, _config: PluginConfig): AnyAgentTool;
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