export { type Diff };
export { type PreFilterFunction };
export { type PreFilterObject };
export { type Accumulator };
export { type Observer };
export { type DiffPath };
export { diff };
export { orderIndependentDiff };
export { accumulateDiff };
export { observableDiff };
export { orderIndependentDeepDiff };
export { applyChange, revertChange };
export { applyDiff };
export { realTypeOf };
export { getOrderIndependentHash };
type DiffNew<RHS> = {
    readonly kind: "N";
    readonly path: any[];
    readonly rhs: RHS;
};
type DiffDeleted<LHS> = {
    readonly kind: "D";
    readonly path: any[];
    readonly lhs: LHS;
};
type DiffEdit<LHS, RHS = LHS> = {
    readonly kind: "E";
    readonly path: any[];
    readonly lhs: LHS;
    readonly rhs: RHS;
};
type DiffArray<LHS, RHS = LHS> = {
    readonly kind: "A";
    readonly path: any[];
    readonly index: number;
    readonly item: Diff<LHS, RHS>;
};
type Diff<LHS, RHS = LHS> = DiffNew<RHS> | DiffDeleted<LHS> | DiffEdit<LHS, RHS> | DiffArray<LHS, RHS>;
type PreFilterFunction = (path: any[], key: any) => boolean;
type PreFilterObject<LHS, RHS = LHS> = {
    prefilter?(path: any[], key: any): boolean;
    normalize?(currentPath: any, key: any, lhs: LHS, rhs: RHS): [LHS, RHS] | false | undefined;
};
type PreFilter<LHS, RHS = LHS> = PreFilterFunction | PreFilterObject<LHS, RHS>;
type Filter<LHS, RHS = LHS> = (target: LHS, source: RHS, change: Diff<LHS, RHS>) => boolean;
type Accumulator<LHS, RHS = LHS> = {
    push(diff: Diff<LHS, RHS>): void;
    length: number;
};
type Observer<LHS, RHS = LHS> = (diff: Diff<LHS, RHS>) => void;
type PathKey = string | number | symbol;
type DiffPath = PathKey[];
declare function diff<LHS, RHS = LHS>(lhs: LHS, rhs: RHS, prefilter?: PreFilter<LHS, RHS>): readonly Diff<LHS, RHS>[] | undefined;
declare function orderIndependentDiff<LHS, RHS = LHS>(lhs: LHS, rhs: RHS, prefilter?: PreFilter<LHS, RHS>): readonly Diff<LHS, RHS>[] | undefined;
declare function observableDiff<LHS, RHS = LHS>(lhs: LHS, rhs: RHS, observer?: Observer<LHS, RHS>, prefilter?: PreFilter<LHS, RHS>, orderIndependent?: boolean): Array<Diff<LHS, RHS>>;
declare function accumulateDiff<LHS, RHS = LHS>(lhs: LHS, rhs: RHS, prefilter?: PreFilter<LHS, RHS>, accum?: Accumulator<LHS, RHS>, orderIndependent?: boolean): Accumulator<LHS, RHS> | Diff<LHS, RHS>[] | undefined;
declare function orderIndependentDeepDiff<LHS, RHS = LHS>(lhs: LHS, rhs: RHS, changes: Array<Diff<LHS, RHS>>, prefilter?: PreFilter<LHS, RHS>, path?: any[], key?: any, stack?: any[]): void;
declare function applyDiff<LHS, RHS = LHS>(target: LHS, source: RHS, filter?: Filter<LHS, RHS>): LHS;
declare function applyChange<LHS>(target: LHS, unused: any, change: Diff<LHS, any>): void;
declare function revertChange<LHS>(target: LHS, unused: any, change: Diff<LHS, any>): void;
declare function realTypeOf(val: any): string;
declare function getOrderIndependentHash(val: any): number;
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