/**
 * Computes the minimal change (a single replaced range) that turns `oldDoc`
 * into `newDoc` by trimming the shared prefix and suffix. Dispatching this
 * instead of replacing the whole document from position 0 keeps CodeMirror's
 * contentEditable caret in sync with the editor state: a full `from: 0`
 * replacement rebuilds the content DOM and can leave the native caret behind
 * an interior space, causing the next keystroke to land at the wrong position.
 *
 * @internal
 */
export declare function computeMinimalDocChange(oldDoc: string, newDoc: string): {
    from: number;
    to: number;
    insert: string;
};
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