| 1234567891011121314151617181920 | declare function diff(    text1: string,    text2: string,    cursorPos?: number | diff.CursorInfo): diff.Diff[];declare namespace diff {    type Diff = [-1 | 0 | 1, string];    const DELETE: -1;    const INSERT: 1;    const EQUAL: 0;    interface CursorInfo {        oldRange: { index: number; length: number };        newRange: { index: number; length: number };    }}export = diff;
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