Merge pull request #21375 from overleaf/jpa-if-none-match

[object-persistor] add support for ifNoneMatch=* in sendStream

GitOrigin-RevId: 268f054ac1b6452105b02757cdec32bad00702fd

libraries/object-persistor/src/Errors.js

@@ -5,6 +5,7 @@ class WriteError extends OError {}
 class ReadError extends OError {}
 class SettingsError extends OError {}
 class NotImplementedError extends OError {}
+class AlreadyWrittenError extends OError {}
 
 module.exports = {
   NotFoundError,
@@ -12,4 +13,5 @@ module.exports = {
   ReadError,
   SettingsError,
   NotImplementedError,
+  AlreadyWrittenError,
 }