export interface Cond {
    <A, B>(tuplesBox: CondTuples<A, B>, data: A): A | B;
}
export interface CondU {
    <A, B>(tuplesBox: CondTuples<A, B>): (data: A) => A | B;
}
export type CondTuples<A, B> = [
    ((value: A) => boolean) | unknown,
    ((value: A) => B) | B
][];
export declare const cond: Cond;
export declare const condU: CondU;