export declare const isNullSimple: <T>(e: null extends T ? T : never) => e is (null extends T ? T : never) & null;
export declare const isUndefinedSimple: <T>(e: undefined extends T ? T : never) => e is (undefined extends T ? T : never) & undefined;
export declare const isNullishSimple: <T>(e: null | undefined extends T ? T : never) => e is ((null extends T ? T : never) & null) | ((undefined extends T ? T : never) & undefined);
export declare const isNull: <T>(e: null extends T ? [T] extends [null] ? never : T : never) => e is (null extends T ? [T] extends [null] ? never : T : never) & null;
export declare const isUndefined: <T>(e: undefined extends T ? [T] extends [undefined] ? never : T : never) => e is (undefined extends T ? [T] extends [undefined] ? never : T : never) & undefined;
export declare const isNullish: <T>(e: null | undefined extends T ? [T] extends [null | undefined] ? never : T : never) => e is (null | undefined extends T ? [T] extends [null | undefined] ? never : T : never) & (((null extends T ? T : never) & null) | ((undefined extends T ? T : never) & undefined));
export declare const getNotNullSimple: <T>(e: null extends T ? T : never, errorMessage: string) => Exclude<T, null>;
export declare const getNotUndefinedSimple: <T>(e: undefined extends T ? T : never, errorMessage: string) => Exclude<T, undefined>;
export declare const getNotNull: <T>(e: null extends T ? [T] extends [null] ? never : T : never, errorMessage: string) => Exclude<T, null>;
export declare const getNotUndefined: <T>(e: undefined extends T ? [T] extends [undefined] ? never : T : never, errorMessage: string) => Exclude<T, undefined>;