Add missing since tags

plugins/optimization-detective/class-od-url-metric.php

@@ -159,6 +159,8 @@ public function set_group( OD_URL_Metric_Group $group ): void {
 	/**
 	 * Gets JSON schema for URL Metric.
 	 *
+	 * @since 0.1.0
+	 *
 	 * @todo Cache the return value?
 	 *
 	 * @return array<string, mixed> Schema.
@@ -431,6 +433,8 @@ public function get( string $key ) {
 	/**
 	 * Gets UUID.
 	 *
+	 * @since 0.6.0
+	 *
 	 * @return string UUID.
 	 */
 	public function get_uuid(): string {
@@ -440,6 +444,8 @@ public function get_uuid(): string {
 	/**
 	 * Gets URL.
 	 *
+	 * @since 0.1.0
+	 *
 	 * @return string URL.
 	 */
 	public function get_url(): string {
@@ -460,6 +466,8 @@ public function get_queried_object(): ?array {
 	/**
 	 * Gets viewport data.
 	 *
+	 * @since 0.1.0
+	 *
 	 * @return ViewportRect Viewport data.
 	 */
 	public function get_viewport(): array {
@@ -469,6 +477,8 @@ public function get_viewport(): array {
 	/**
 	 * Gets viewport width.
 	 *
+	 * @since 0.1.0
+	 *
 	 * @return int Viewport width.
 	 */
 	public function get_viewport_width(): int {
@@ -478,6 +488,8 @@ public function get_viewport_width(): int {
 	/**
 	 * Gets timestamp.
 	 *
+	 * @since 0.1.0
+	 *
 	 * @return float Timestamp.
 	 */
 	public function get_timestamp(): float {
@@ -487,6 +499,8 @@ public function get_timestamp(): float {
 	/**
 	 * Gets elements.
 	 *
+	 * @since 0.1.0
+	 *
 	 * @return OD_Element[] Elements.
 	 */
 	public function get_elements(): array {
@@ -504,6 +518,8 @@ function ( array $element ): OD_Element {
 	/**
 	 * Specifies data which should be serialized to JSON.
 	 *
+	 * @since 0.1.0
+	 *
 	 * @return Data Exports to be serialized by json_encode().
 	 */
 	public function jsonSerialize(): array {