import { TypeMap, TypeOfStr } from "./typeOf.js";
export declare const isUndefined: <T>(O: T | undefined) => O is undefined;
export declare const isNull: <T>(O: T | null) => O is null;
export declare const isNullish: <T>(O: T | null | undefined) => O is null | undefined;
export declare const notUndefined: <T>(O: T | undefined) => O is T;
export declare const notNull: <T>(O: T | null) => O is T;
export declare const notNullish: <T>(O: T | null | undefined) => O is T;
export declare const isTrue: <T>(O: T | true) => O is true;
export declare const isFalse: <T>(O: T | false) => O is false;
export declare const isT: <TStr extends TypeOfStr>(type: TStr) => (O: unknown) => O is TypeMap[TStr];
export declare const isObject: (O: unknown) => O is TypeMap["object"];
//# sourceMappingURL=isTypeOf.d.ts.map