/**
 * Stores the last few successful briefs per document-type + field-name.
 * Used to show "Recently used" suggestion chips in the GenerateDialog.
 * Tracks usage count so frequently-used briefs sort higher (#61).
 */
export interface RecentBrief {
    brief: string;
    timestamp: number;
    appId?: string;
    /** Number of times this brief has been used successfully. */
    useCount: number;
}
export declare function getRecentBriefs(documentType?: string, fieldName?: string): RecentBrief[];
export declare function saveRecentBrief(documentType: string | undefined, fieldName: string | undefined, brief: string, appId?: string): void;
export declare function clearRecentBriefs(documentType?: string, fieldName?: string): void;