import { Result } from '@kizahasi/result';
import { r, i, d, ComposeAndTransformError, PositiveInt, Operation } from '@kizahasi/ot-core';
import { NonEmptyString } from '../nonEmptyString';
export type TwoWayOperation = Operation<NonEmptyString, NonEmptyString>;
export type TwoWayOperationUnit = {
    t: typeof r;
    r: number;
} | {
    t: typeof i;
    i: string;
} | {
    t: typeof d;
    d: string;
};
export declare const diff: ({ prevState, nextState, }: {
    prevState: string;
    nextState: string;
}) => TwoWayOperation;
export declare const transform: ({ first, second, }: {
    first: TwoWayOperation;
    second: TwoWayOperation;
}) => Result<{
    firstPrime: TwoWayOperation;
    secondPrime: TwoWayOperation;
}, ComposeAndTransformError<NonEmptyString, NonEmptyString>>;
export declare const toUnit: (source: TwoWayOperation) => TwoWayOperationUnit[];
export declare const ofUnit: (source: ReadonlyArray<TwoWayOperationUnit>) => TwoWayOperation;
export declare const toUpOperation: (source: TwoWayOperation) => Operation<NonEmptyString, PositiveInt>;
export declare const toDownOperation: (source: TwoWayOperation) => Operation<PositiveInt, NonEmptyString>;
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