(py392) partheniou@partheniou-vm-3:~/git/googleapis$ git diff
diff --git a/google/bigtable/v2/data.proto b/google/bigtable/v2/data.proto
index 8320a0c22f..af354b05a2 100644
--- a/google/bigtable/v2/data.proto
+++ b/google/bigtable/v2/data.proto
@@ -255,6 +255,15 @@ message ValueRange {
   }
 }
 
+// Restricts the output to cells whose values match the given bitmask.
+message ValueBitmask {
+  // Required. Mask applied to the value.
+  // Evaluated as: `(value & mask) == mask`
+  // The mask length must exactly match the value length, otherwise the cell is
+  // not considered a match.
+  bytes mask = 1 [(google.api.field_behavior) = REQUIRED];
+}
+
 // Takes a row as input and produces an alternate view of the row based on
 // specified rules. For example, a RowFilter might trim down a row to include
 // just the cells from columns matching a given regular expression, or might
@@ -514,6 +523,12 @@ message RowFilter {
     // will be applied to separate copies of the input. This may be relaxed in
     // the future.
     string apply_label_transformer = 19;
+
+    // Matches only cells with values that satisfy the condition `(value & mask)
+    // == mask`.
+    // The mask length must exactly match the value length, otherwise the cell
+    // is not considered a match.
+    ValueBitmask value_bitmask_filter = 20;
   }
 }