@adobe/pdfservices-node-sdk/lib/internal/util/StringUtil.d.ts

The Adobe PDF Services Node.js SDK provides APIs for creating, combining, exporting and manipulating PDFs.

export declare class StringUtil {
    static isNotBlank(stringToCheck: string | undefined | null): boolean;
    static isBlank(stringToCheck: string | undefined | null): boolean;
    static requireNonBlank(stringToCheck: string | undefined | null, message: string): void;
    static isPositiveInteger(value: string): boolean;
    static isNonNegativeInteger(value: string): boolean;
}