/**
 * Simple implementation of flexibleSearchAndReplace that only uses the basic search and replace
 *
 * @param texts - Array containing [searchText, replaceText, originalText]
 * @returns The modified text or undefined if unsuccessful
 */
export declare function flexiJustSearchAndReplace(texts: string[]): string | undefined;
/**
 * Directly applies a diff hunk to content using search and replace
 *
 * @param content - The original content to modify
 * @param hunk - Array of strings representing the diff hunk
 * @returns The modified content or undefined if the hunk couldn't be applied
 */
export declare function directlyApplyHunk(content: string, hunk: string[]): string | undefined;
/**
 * Converts a unified diff hunk into before and after text blocks.
 *
 * @param hunk - Array of strings representing the diff hunk lines
 * @param returnLines - Whether to return arrays of lines instead of joined strings
 * @returns A tuple containing the before and after text/lines
 */
export declare function hunkToBeforeAfter(hunk: string[], returnLines?: boolean): [string[] | string, string[] | string];
/**
 * Normalizes a diff hunk by cleaning up whitespace and reformatting
 *
 * @param hunk - Array of strings representing the diff hunk lines
 * @returns Normalized diff hunk as an array of lines
 */
export declare function normalizeHunk(hunk: string[]): string[];
/**
 * Process a fenced code block to extract diff hunks.
 *
 * @param lines Array of lines with newline characters preserved
 * @param startLineNum Starting line number of the fenced block content
 * @returns Tuple of [endLineNum, edits] where endLineNum is the line after the closing fence
 *          and edits is an array of [path, hunk] tuples
 */
export declare function processFencedBlock(lines: string[], startLineNum: number): [number, Array<[string | null, string[]]>];
/**
 * Finds diff blocks in the given content.
 * We can always fence with triple-quotes, because all the udiff content
 * is prefixed with +/-/space.
 *
 * @param content The content to search for diffs
 * @returns Array of edits, where each edit is a tuple of [path, hunk]
 */
export declare function findDiffs(content: string): Array<{
    oldFileName: string;
    newFileName: string;
    hunks: string[][];
}>;