export declare class ValidationService<T> {
    private errors;
    private currentObject;
    constructor(obj: T);
    clear(): this;
    getErrorMessages(): Array<IValidationError>;
    containsErrors(): boolean;
    required(prop: (item: T) => string | number | Date, errorMessage: string): this;
    email(prop: (item: T) => string, errorMessage: string): this;
    range(prop: (item: T) => number, min: number, max: number, errorMessage: string): this;
    max(prop: (item: T) => number, max: number, errorMessage: string): this;
    min(prop: (item: T) => number, min: number, errorMessage: string): this;
    period(prop: (item: T) => Date, min: Date, max: Date, errorMessage: string): this;
    minLengt(prop: (item: T) => string, minLength: number, errorMessage: string): this;
    maxLengt(prop: (item: T) => string, maxLength: number, errorMessage: string): this;
    int(prop: (item: T) => number, errorMessage: string): this;
    containsOnly(prop: (item: T) => string, characters: string, ignoreCase: boolean, errorMessage: string): this;
    ip(prop: (item: T) => string, errorMessage: string): this;
    equals(prop: (item: T) => any, other: (item: T) => any, errorMessage: string): this;
    custom(prop: (item: T) => any, func: (value: any) => boolean, errorMessage: string): this;
    private _cachedPropertyNames;
    private getCachedPropertyname(prop);
    private getPropertyname(prop);
    private getPropertyValue(prop);
    private addValidationError(prop, errorMessage);
}
export interface IValidationError {
    property: string;
    messages: Array<string>;
}