python-botocore/botocore/data/rds/2014-10-31/service-2.sdk-extras.json

 {
  "version": 1.0,
  "merge": {
    "shapes": {
      "CopyDBClusterSnapshotMessage": {
        "members": {
          "SourceRegion": {
            "shape": "String",
            "documentation": "<p>The ID of the region that contains the snapshot to be copied.</p>"
          }
        }
      },
      "CreateDBClusterMessage": {
        "members": {
          "SourceRegion": {
            "shape": "String",
            "documentation": "<p>The ID of the region that contains the source for the db cluster.</p>"
          }
        }
      },
      "CopyDBSnapshotMessage": {
        "members": {
          "SourceRegion": {
            "shape": "String",
            "documentation": "<p>The ID of the region that contains the snapshot to be copied.</p>"
          }
        }
      },
      "CreateDBInstanceReadReplicaMessage": {
        "members": {
          "SourceRegion": {
            "shape": "String",
            "documentation": "<p>The ID of the region that contains the source for the read replica.</p>"
          }
        }
      }
    }
  }
}