import type { KeyPair, SomeKey } from "../../typings/key-types";
export declare const isValidKey: (candidate: string) => candidate is SomeKey;
export declare const isTypeOfKey: <T extends "private" | "public">(type: T, candidate: SomeKey) => candidate is T extends "private" ? `private$${string}` : T extends "public" ? `public$${string}` : unknown;
export declare const isValidKeyPair: (pair?: KeyPair) => pair is KeyPair;