diff --git a/node_modules/@angular/material/autocomplete/index.d.ts b/node_modules/@angular/material/autocomplete/index.d.ts
index 1ebc198..f572ea2 100755
--- a/node_modules/@angular/material/autocomplete/index.d.ts
+++ b/node_modules/@angular/material/autocomplete/index.d.ts
@@ -220,6 +220,10 @@ export declare interface MatAutocompleteDefaultOptions {
     requireSelection?: boolean;
     /** Class or list of classes to be applied to the autocomplete's overlay panel. */
     overlayPanelClass?: string | string[];
+
+    backdropClass?: string;
+
+    hasBackdrop?: boolean;
     /** Wheter icon indicators should be hidden for single-selection. */
     hideSingleSelectionIndicator?: boolean;
 }
diff --git a/node_modules/@angular/material/esm2022/autocomplete/autocomplete-trigger.mjs b/node_modules/@angular/material/esm2022/autocomplete/autocomplete-trigger.mjs
index 193f5e4..833446a 100755
--- a/node_modules/@angular/material/esm2022/autocomplete/autocomplete-trigger.mjs
+++ b/node_modules/@angular/material/esm2022/autocomplete/autocomplete-trigger.mjs
@@ -670,6 +670,8 @@ export class MatAutocompleteTrigger {
             scrollStrategy: this._scrollStrategy(),
             width: this._getPanelWidth(),
             direction: this._dir ?? undefined,
+            hasBackdrop: this._defaults?.hasBackdrop,
+            backdropClass: this._defaults?.backdropClass,
             panelClass: this._defaults?.overlayPanelClass,
         });
     }
diff --git a/node_modules/@angular/material/esm2022/autocomplete/autocomplete.mjs b/node_modules/@angular/material/esm2022/autocomplete/autocomplete.mjs
index 3d919a4..5fd6b4d 100755
--- a/node_modules/@angular/material/esm2022/autocomplete/autocomplete.mjs
+++ b/node_modules/@angular/material/esm2022/autocomplete/autocomplete.mjs
@@ -41,6 +41,7 @@ export function MAT_AUTOCOMPLETE_DEFAULT_OPTIONS_FACTORY() {
         autoSelectActiveOption: false,
         hideSingleSelectionIndicator: false,
         requireSelection: false,
+        hasBackdrop: false,
     };
 }
 /** Autocomplete component. */
diff --git a/node_modules/@angular/material/fesm2022/autocomplete.mjs b/node_modules/@angular/material/fesm2022/autocomplete.mjs
index e3d0253..36cd6d7 100755
--- a/node_modules/@angular/material/fesm2022/autocomplete.mjs
+++ b/node_modules/@angular/material/fesm2022/autocomplete.mjs
@@ -65,6 +65,7 @@ function MAT_AUTOCOMPLETE_DEFAULT_OPTIONS_FACTORY() {
         autoSelectActiveOption: false,
         hideSingleSelectionIndicator: false,
         requireSelection: false,
+        hasBackdrop: false,
     };
 }
 /** Autocomplete component. */
@@ -926,6 +927,8 @@ class MatAutocompleteTrigger {
             scrollStrategy: this._scrollStrategy(),
             width: this._getPanelWidth(),
             direction: this._dir ?? undefined,
+            hasBackdrop: this._defaults?.hasBackdrop,
+            backdropClass: this._defaults?.backdropClass,
             panelClass: this._defaults?.overlayPanelClass,
         });
     }