export * from "fp-ts/ReadonlySet";
import { Predicate } from "fp-ts/Predicate";
import { Refinement } from "fp-ts/Refinement";
import { Option } from "fp-ts/Option";
export declare function find<A, B extends A>(refinement: Refinement<A, B>): (as: ReadonlySet<A>) => Option<B>;
export declare function find<A>(predicate: Predicate<A>): <B extends A>(bs: ReadonlySet<B>) => Option<B>;
export declare function find<A>(predicate: Predicate<A>): (as: ReadonlySet<A>) => Option<A>;