/// <summary>
/// Resets this node context to the scope of the provided new operation. All field sets
/// and scopes are reset under this operation.
/// </summary>
/// <param name="operation">The operation.</param>
private void BeginNewOperation(QueryOperation operation)
{
this.DocumentContext.Operations.AddOperation(operation);
_operation = operation;
_selectionSet = operation.CreateFieldSelectionSet();
this.BeginNewDocumentScope();
this.IncreaseMaxDepth();
}
