Add documentation for timestamp timezone missing

Author: yvonnep165

handwritten/firestore/dev/src/pipelines/expression.ts

@@ -2494,6 +2494,7 @@ export abstract class Expression
    * @param part - The part to extract from the timestamp (e.g., "year", "month", "day").
    * @param timezone - The timezone to use for extraction. Valid values are from
    * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+   * Defaults to "UTC" if not specified.
    * @returns A new `Expression` representing the extracted part as an integer.
    */
   timestampExtract(
@@ -2514,6 +2515,7 @@ export abstract class Expression
    * @param part - The expression evaluating to the part to extract.
    * @param timezone - The timezone to use for extraction. Valid values are from
    * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+   * Defaults to "UTC" if not specified.
    * @returns A new `Expression` representing the extracted part as an integer.
    */
   timestampExtract(
@@ -9783,6 +9785,7 @@ export function timestampDiff(
  * @param part - The part to extract from the timestamp (e.g., "year", "month", "day").
  * @param timezone - The timezone to use for extraction. Valid values are from
  * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+ * Defaults to "UTC" if not specified.
  * @returns A new `Expression` representing the extracted part as an integer.
  */
 export function timestampExtract(
@@ -9805,6 +9808,7 @@ export function timestampExtract(
  * @param part - The expression evaluating to the part to extract.
  * @param timezone - The timezone to use for extraction. Valid values are from
  * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+ * Defaults to "UTC" if not specified.
  * @returns A new `Expression` representing the extracted part as an integer.
  */
 export function timestampExtract(
@@ -9827,6 +9831,7 @@ export function timestampExtract(
  * @param part - The part to extract from the timestamp (e.g., "year", "month", "day").
  * @param timezone - The timezone to use for extraction. Valid values are from
  * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+ * Defaults to "UTC" if not specified.
  * @returns A new `Expression` representing the extracted part as an integer.
  */
 export function timestampExtract(
@@ -9849,6 +9854,7 @@ export function timestampExtract(
  * @param part - The expression evaluating to the part to extract.
  * @param timezone - The timezone to use for extraction. Valid values are from
  * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+ * Defaults to "UTC" if not specified.
  * @returns A new `Expression` representing the extracted part as an integer.
  */
 export function timestampExtract(

handwritten/firestore/types/firestore.d.ts

@@ -5626,6 +5626,7 @@ declare namespace FirebaseFirestore {
        * @param part - The part to extract from the timestamp (e.g., "year", "month", "day").
        * @param timezone - The timezone to use for extraction. Valid values are from
        * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+       * Defaults to "UTC" if not specified.
        * @returns A new `Expression` representing the extracted part as an integer.
        */
       timestampExtract(
@@ -5646,6 +5647,7 @@ declare namespace FirebaseFirestore {
        * @param part - The expression evaluating to the part to extract.
        * @param timezone - The timezone to use for extraction. Valid values are from
        * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+       * Defaults to "UTC" if not specified.
        * @returns A new `Expression` representing the extracted part as an integer.
        */
       timestampExtract(
@@ -11547,6 +11549,7 @@ declare namespace FirebaseFirestore {
      * @param part - The part to extract from the timestamp (e.g., "year", "month", "day").
      * @param timezone - The timezone to use for extraction. Valid values are from
      * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+     * Defaults to "UTC" if not specified.
      * @returns A new {@code Expression} representing the extracted part as an integer.
      */
     export function timestampExtract(
@@ -11569,6 +11572,7 @@ declare namespace FirebaseFirestore {
      * @param part - The expression evaluating to the part to extract.
      * @param timezone - The timezone to use for extraction. Valid values are from
      * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+     * Defaults to "UTC" if not specified.
      * @returns A new {@code Expression} representing the extracted part as an integer.
      */
     export function timestampExtract(
@@ -11591,6 +11595,7 @@ declare namespace FirebaseFirestore {
      * @param part - The part to extract from the timestamp (e.g., "year", "month", "day").
      * @param timezone - The timezone to use for extraction. Valid values are from
      * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+     * Defaults to "UTC" if not specified.
      * @returns A new {@code Expression} representing the extracted part as an integer.
      */
     export function timestampExtract(
@@ -11613,6 +11618,7 @@ declare namespace FirebaseFirestore {
      * @param part - The expression evaluating to the part to extract.
      * @param timezone - The timezone to use for extraction. Valid values are from
      * the TZ database (e.g., "America/Los_Angeles") or in the format "Etc/GMT-1."
+     * Defaults to "UTC" if not specified.
      * @returns A new {@code Expression} representing the extracted part as an integer.
      */
     export function timestampExtract(