type PghDimension = {
    width: number;
    height: number;
};
export declare class PghFileValidators {
    private static readonly NAME_VALIDATOR_PATTERN;
    private static messages;
    static checkAllowedTypes(acceptableTypes: any[], fileType: string): string | null;
    static checkNameValidator(fileName: string): string | null;
    static checkSizeValidation(maxSize: number, fileSize: number): string | null;
    static checkDimensionsValidation(width: number, height: number, allowedDimensions: Array<PghDimension>): string | null;
}
export {};