1 files changed, 33 insertions, 0 deletions
diff --git a/matrix-specification/Responses/WellKnownMatrixSupportGetResponse.php b/matrix-specification/Responses/WellKnownMatrixSupportGetResponse.php
new file mode 100644
index 0000000..f38e2b0
--- /dev/null
+++ b/matrix-specification/Responses/WellKnownMatrixSupportGetResponse.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Matrix\Responses;
+
+use Matrix\Data\Contact;
+
+class WellKnownMatrixSupportGetResponse implements \JsonSerializable
+{
+  /**
+   * @param Contact[] $contacts
+   */
+  public function __construct(
+    private ?array $contacts = null,
+    private ?string $supportPage = null,
+  )
+  {
+    if (is_null($contacts) && is_null($supportPage)) {
+      throw new \InvalidArgumentException("at least one of contacts or supportPage is required");
+    }
+
+    if (! is_null($contacts) && is_null($supportPage) && empty($contacts)) {
+      throw new \InvalidArgumentException("if only contacts is set, it must contain at least one item");
+    }
+  }
+
+  public function jsonSerialize(): array
+  {
+    return array_filter([
+      "contacts" => $this->contacts,
+      "support_page" => $this->supportPage,
+    ], "is_null");
+  }
+}