/**
 * Leaper Agent – Patch Parser
 * V4A unified diff parser and applier with fuzzy match support.
 */
export type OperationType = 'add' | 'update' | 'delete' | 'move';
export interface HunkLine {
    type: '+' | '-' | ' ';
    content: string;
}
export interface Hunk {
    context_hint?: string;
    lines: HunkLine[];
}
export interface PatchOperation {
    type: OperationType;
    path: string;
    new_path?: string;
    hunks?: Hunk[];
    content?: string;
}
export interface ApplyResult {
    success: boolean;
    operations_applied: number;
    errors: string[];
}
export interface ParseResult {
    success: boolean;
    operations?: PatchOperation[];
    error?: string;
}
export declare function parseV4aPatch(patch: string): ParseResult;
export declare function applyHunk(fileContent: string, hunk: Hunk): {
    result: string;
    applied: boolean;
};
export declare function validateOperations(operations: PatchOperation[], rootDir: string): string[];
export declare function applyV4aOperations(operations: PatchOperation[], rootDir?: string): ApplyResult;
export declare function applyPatch(patch: string, rootDir?: string): ApplyResult;
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