export interface Patch {
    id: string;
    filePath: string;
    line: number;
    errorCode: string;
    errorMsg: string;
    explanation: string;
    patch: string;
    fileBefore: string;
    fileAfter: string;
    timestamp: number;
    status: 'pending' | 'applied' | 'discarded';
}
export declare function savePatch(meta: Omit<Patch, 'id' | 'timestamp' | 'status'>): Patch;
export declare function listPatches(status?: Patch['status']): Patch[];
export declare function getPatch(id: string): Patch | null;
export declare function applyPatch(id: string): {
    success: boolean;
    message: string;
};
export declare function discardPatch(id: string): {
    success: boolean;
    message: string;
};
export declare function countPending(): number;
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