/**
 * A decorator form of mobx-utils' lazyObservable.
 * May decorate a property, using it's value as the initialValue
 * @param callback
 */
export declare const LazyObservable: <S, T = any>(callback: (this: S, sink: (newValue: T) => void, self: S) => void) => {
    (target: any, propertyKey: string | number | symbol, descriptor: PropertyDescriptor): any;
    (..._: [value: ClassAccessorDecoratorTarget<any, any>, context: ClassAccessorDecoratorContext<unknown, unknown>] | [value: (this: any) => any, context: ClassGetterDecoratorContext<unknown, unknown>] | [value: (this: any, value: any) => void, context: ClassSetterDecoratorContext<unknown, unknown>] | [value: any, context: ClassMethodDecoratorContext<any, any>] | [value: any, context: ClassFieldDecoratorContext<any, any>] | [value: abstract new (...args: any) => any, context: ClassDecoratorContext<abstract new (...args: any) => any>]): any;
};