import { In, Out } from "../_interfaces";
export declare type Eq<T> = (a: T, b: T) => boolean;
export declare const skipDuplicates: CurriedSkipDuplicates;
export interface CurriedSkipDuplicates {
    <ObsType, ValueType>(isEqual: Eq<ValueType>, observable: In<ObsType, ValueType>): Out<ObsType, ValueType>;
    <ValueType>(isEqual: Eq<ValueType>): <ObsType>(observable: In<ObsType, ValueType>) => Out<ObsType, ValueType>;
}
export declare function skipEquals<ObsType, ValueType>(observable: In<ObsType, ValueType>): Out<ObsType, ValueType>;