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src/Model/Utility/utility.ts

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+// date
+export function createTimestamp(): string {
+  return new Date().toISOString();
+}
+
+// string
+export function stringify(data: any): string {
+  return JSON.stringify(data);
+}
+
+export function parse(string: string): any {
+  return JSON.parse(string);
+}