[Datafactory] Power Query model changes for multiple queries (Azure#16158)

Author: soma-ms

specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/DataFlow.json

@@ -127,6 +127,10 @@
         "script": {
           "type": "string",
           "description": "Power query mashup script."
+        },
+        "documentLocale": {
+          "type": "string",
+          "description": "Locale of the Power query mashup document."
         }
       }
     },

specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/Pipeline.json

@@ -7286,10 +7286,34 @@
       "properties": {
         "sinks": {
           "type": "object",
-          "description": "List of Power Query activity sinks mapped to a queryName.",
+          "description": "(Deprecated. Please use Queries). List of Power Query activity sinks mapped to a queryName.",
           "additionalProperties": {
             "$ref": "./DataFlow.json#/definitions/PowerQuerySink"
           }
+        },
+        "queries": {
+          "type": "array",
+          "description": "List of mapping for Power Query mashup query to sink dataset(s).",
+          "items": {
+            "$ref": "#/definitions/PowerQuerySinkMapping"
+          }
+        }
+      }
+    },
+    "PowerQuerySinkMapping": {
+      "description": "Map Power Query mashup query to sink dataset(s).",
+      "type": "object",
+      "properties": {
+        "queryName": {
+          "description": "Name of the query in Power Query mashup document.",
+          "type": "string"
+        },
+        "dataflowSinks": {
+          "type": "array",
+          "description": "List of sinks mapped to Power Query mashup query.",
+          "items": {
+            "$ref": "./DataFlow.json#/definitions/PowerQuerySink"
+          }
         }
       }
     },