import { ValueType } from '../utils/get-type';
interface IsType {
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType('foo', 'string');
     * @example isType(1, 'number');
     * @example isType(1n, 'bigint');
     * @example isType(true, 'boolean');
     * @example isType(Symbol('foo'), 'symbol');
     * @example isType(undefined, 'undefined');
     * @example isType({}, 'object');
     * @example isType(() => {}, 'function');
     * @example isType(null, 'null');
     * @example isType(NaN, 'NaN');
     * @example isType([], 'array');
     */
    (value: unknown, expectedType: ValueType): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType('foo', 'string');
     */
    (value: string, expectedType: 'string'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType(1, 'number');
     * @example isType(NaN, 'NaN');
     */
    (value: number, expectedType: 'number' | 'NaN'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType(1n, 'bigint');
     */
    (value: bigint, expectedType: 'bigint'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType(true, 'boolean');
     */
    (value: boolean, expectedType: 'boolean'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType(Symbol('foo'), 'symbol');
     */
    (value: symbol, expectedType: 'symbol'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType(Symbol('foo'), 'symbol');
     */
    (value: undefined, expectedType: 'undefined'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType({}, 'object');
     */
    (value: object, expectedType: 'object'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType(() => {}, 'function');
     */
    (value: Function, expectedType: 'function'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType(null, 'null');
     */
    (value: null, expectedType: 'null'): void;
    /**
     * check if value is of a specific type, nulls, NaN and arrays are specially handled
     * @param value
     * @param expectedType
     * @example isType([], 'array');
     */
    (value: any[], expectedType: 'array'): void;
}
export declare const isType: IsType, notIsType: IsType;
export {};
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