import type { EditOp } from "./types.ts";
/**
 * Extract the line number from an edit's anchor.
 * For replace ops without pos, returns 0. For append/prepend without pos,
 * returns 0 (BOF/EOF sentinel).
 */
export declare function getEditLineNumber(edit: EditOp): number;
/**
 * Collect all line references from a set of edits.
 */
export declare function collectLineRefs(edits: EditOp[]): string[];
/**
 * Sort edits bottom-up (descending line number) to avoid index shifting
 * during application. Within the same line:
 *   replace before append before prepend.
 */
export declare function sortEditsBottomUp(edits: EditOp[]): EditOp[];
/**
 * Detect identical edits and remove duplicates.
 * Two edits are identical if they have the same op, pos, end, and lines.
 */
export declare function deduplicateEdits(edits: EditOp[]): {
    edits: EditOp[];
    deduplicatedCount: number;
};
/**
 * Detect overlapping replace ranges.
 * Returns an error message if overlaps found, or null if clean.
 */
export declare function detectOverlappingRanges(edits: EditOp[]): string | null;
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