export declare function isNil(value: unknown): value is null | undefined;
export declare function isPresent<T>(value: T | null | undefined): value is T;
export declare function isFunction(value: unknown): value is Function;
export { default as isBoolean } from 'tui-code-snippet/type/isBoolean';
export { default as isNumber } from 'tui-code-snippet/type/isNumber';
export { default as isObject } from 'tui-code-snippet/type/isObject';
export { default as isString } from 'tui-code-snippet/type/isString';
export { default as isUndefined } from 'tui-code-snippet/type/isUndefined';