Backend half

SerpentRace_Backend/node_modules/dayjs/plugin/isoWeek.d.ts

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+import { PluginFunc, OpUnitType, ConfigType } from 'dayjs'
+
+declare const plugin: PluginFunc
+export = plugin
+
+type ISOUnitType = OpUnitType | 'isoWeek';
+
+declare module 'dayjs' {
+  interface Dayjs {
+    isoWeekYear(): number
+    isoWeek(): number
+    isoWeek(value: number): Dayjs
+
+    isoWeekday(): number
+    isoWeekday(value: number): Dayjs
+
+    startOf(unit: ISOUnitType): Dayjs
+
+    endOf(unit: ISOUnitType): Dayjs
+
+    isSame(date?: ConfigType, unit?: ISOUnitType): boolean
+
+    isBefore(date?: ConfigType, unit?: ISOUnitType): boolean
+
+    isAfter(date?: ConfigType, unit?: ISOUnitType): boolean
+  }
+}