/**
 * dismiss_suggestion Tool (Phase 5: Implicit Thread Detection)
 *
 * Dismisses a suggested thread. Increments dismissed_count.
 * Suggestions dismissed 3+ times are permanently suppressed.
 *
 * Performance target: <100ms (file read + write)
 */
import type { PerformanceData, ThreadSuggestion } from "../types/index.js";
export interface DismissSuggestionParams {
    suggestion_id: string;
}
export interface DismissSuggestionResult {
    success: boolean;
    suggestion?: ThreadSuggestion;
    error?: string;
    performance: PerformanceData;
    display?: string;
}
export declare function dismissSuggestion(params: DismissSuggestionParams): Promise<DismissSuggestionResult>;
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