Merge branch 'firestore-pipelines-dart-api-v2' into firestore-pipelines-web

Author: SelaseKay

packages/cloud_firestore/cloud_firestore/lib/src/pipeline_expression.dart

@@ -644,11 +644,6 @@ abstract class Expression implements PipelineSerializable {
     return _MapExpression(data.map((k, v) => MapEntry(k, _toExpression(v))));
   }
 
-  /// Creates a map expression from alternating key-value expressions
-  static Expression mapFromPairs(List<Expression> keyValuePairs) {
-    return _MapFromPairsExpression(keyValuePairs);
-  }
-
   /// Returns the current timestamp
   static Expression currentTimestamp() {
     return _CurrentTimestampExpression();
@@ -2848,26 +2843,6 @@ class _MapExpression extends FunctionExpression {
   }
 }
 
-/// Represents a mapFromPairs expression
-class _MapFromPairsExpression extends FunctionExpression {
-  final List<Expression> keyValuePairs;
-
-  _MapFromPairsExpression(this.keyValuePairs);
-
-  @override
-  String get name => 'map_from_pairs';
-
-  @override
-  Map<String, dynamic> toMap() {
-    return {
-      'name': name,
-      'args': {
-        'pairs': keyValuePairs.map((expr) => expr.toMap()).toList(),
-      },
-    };
-  }
-}
-
 /// Represents a raw function expression
 class _RawFunctionExpression extends FunctionExpression {
   final String functionName;

packages/cloud_firestore/cloud_firestore/pipeline_example/integration_test/pipeline/pipeline_expressions_e2e.dart

@@ -658,28 +658,6 @@ void runPipelineExpressionsTests() {
       expect(snapshot.result[0].data()!['mapped'], {'left': 1, 'right': 2});
     });
 
-    test(
-      'addFields mapFromPairs',
-      () async {
-        final snapshot = await expressionsDocScore50(
-          Expression.mapFromPairs([
-            Expression.constant('k1'),
-            Expression.constant(1),
-            Expression.constant('k2'),
-            Expression.constant('v2'),
-          ]).as('mapped_pairs'),
-        );
-        expectResultCount(snapshot, 1);
-        expect(snapshot.result[0].data()!['mapped_pairs'], {
-          'k1': 1,
-          'k2': 'v2',
-        });
-      },
-      skip:
-          defaultTargetPlatform == TargetPlatform.android ||
-          defaultTargetPlatform == TargetPlatform.iOS,
-    );
-
     test('addFields nullValue', () async {
       final snapshot = await expressionsDocScore50(
         Expression.nullValue().as('explicit_null'),