import { Observable } from "rxjs";
import { DateTime } from "../type/date.type";
import { DataContentModel } from "../api/api.schemas";
import { ActionResult, ArrayOrSingle, DeepReadonly, EmptyActionResult, NullableType } from "../type/common.type";
export declare function jsonSerialize(value: any, pretty?: boolean): string;
export declare function jsonDeserialize<T>(value: string): T;
export declare function ofType<T>(obj: T): T;
export declare function castValue<T>(value?: T): T | undefined;
export declare function cast<T>(value?: any): T;
export declare function castToNullableType<T extends object>(value?: T, fallback?: Partial<T>): NullableType<T>;
export declare function asNullable<T>(value: T | undefined): T | null;
export declare function asUndefined<T>(value: T | null): T | undefined;
interface IFullNameAware {
    firstName: string | null | undefined;
    lastName: string | null | undefined;
}
export declare function getFullName(data?: IFullNameAware): string;
export declare function getFullNameInitials(data?: IFullNameAware): string;
export declare function asArray<T>(value: ArrayOrSingle<T>): T[];
export declare function asSingle<T>(value: ArrayOrSingle<T>): T | undefined;
export declare function errorEmptyActionResult(errorMessage: string): Observable<EmptyActionResult>;
export declare function errorActionResult<T>(errorMessage: string): Observable<ActionResult<T>>;
export declare function successEmptyActionResult(): Observable<EmptyActionResult>;
export declare function successActionResult<T>(data: T): Observable<ActionResult<T>>;
export declare function actionsChain<T>(intialData?: T): Observable<ActionResult<T>>;
export declare function guid(): string;
export declare function isObject(obj?: any): boolean;
export declare function isString(obj?: any): obj is string;
export declare function isEqualValue<T>(val1?: T, val2?: T): boolean;
export declare function isDateTime(value: any): value is DateTime;
export declare function arrayAppend<T>(array: T[] | DeepReadonly<T[]>, data: T[] | DeepReadonly<T[]>): T[];
export declare function arrayReorder<T extends object>(array: readonly DeepReadonly<T>[], fromIndex: number, toIndex: number): T[];
export declare function getParentHtmlElementWithClass(htmlElement: HTMLElement, className: string): HTMLElement | null;
export declare function apiDataContentToBlob(dataContent: DataContentModel, sliceSize?: number): Blob;
export {};