type InjectPositionHandler<E, U> = (item: E) => U;
type InvalidHandler<E, U> = (item: E, offset: number) => U;
export interface InjectPosition<E> {
    fold: <U>(onBefore: InjectPositionHandler<E, U>, onAfter: InjectPositionHandler<E, U>, onRest: InjectPositionHandler<E, U>, onLast: InjectPositionHandler<E, U>, onInvalid: InvalidHandler<E, U>) => U;
    match: <U>(branches: {
        before: InjectPositionHandler<E, U>;
        after: InjectPositionHandler<E, U>;
        rest: InjectPositionHandler<E, U>;
        last: InjectPositionHandler<E, U>;
        invalid: InvalidHandler<E, U>;
    }) => U;
    log: (label: string) => void;
}
export declare const InjectPosition: {
    before: <E>(element: E) => InjectPosition<E>;
    after: <E>(element: E) => InjectPosition<E>;
    rest: <E>(element: E) => InjectPosition<E>;
    last: <E>(element: E) => InjectPosition<E>;
    invalid: <E>(element: E, offset: number) => InjectPosition<E>;
};
export {};
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