/**
 * Importing npm packages
 */
/**
 * Importing user defined packages
 */
/**
 * Defining types
 */
export type PropertyFilter<T = string> = (key: string | T, desc: PropertyDescriptor) => boolean;
declare class ObjectUtils {
    /**
     * Checks if the given object is a plain object.
     * A plain object is an object created by the Object constructor or one with a null prototype.
     */
    isPlainObject(obj: any): boolean;
    /**
     * Checks if the given object is a class.
     * A class is a function that starts with the keyword 'class'.
     */
    isClass(Class: any): boolean;
    /**
     * Returns the value of the given path in the object
     */
    getByPath<T = any>(obj: Record<string, any>, path: string): T | undefined;
    /**
     * Returns a new object with the needed fields.
     */
    pickKeys<T extends object, K extends keyof T>(obj: T, keys: K[]): Pick<T, K>;
    /**
     * Return a new object after removing the unneeded keys from the orginal object.
     */
    omitKeys<T extends object, K extends keyof T>(obj: T, keys: K[]): Omit<T, K>;
    /**
     * Returns the object after recursively freezing all the properties.
     */
    deepFreeze<T extends object>(obj: T): Readonly<T>;
    getAllPropertyNames(target: any, filter?: PropertyFilter): string[];
    getAllPropertyDescriptors(target: object, filter?: PropertyFilter<symbol>): Record<string | symbol, PropertyDescriptor>;
}
export declare const objectUtils: ObjectUtils;
export {};