/// <summary>
/// Tries the get value.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public bool TryGetValue(string key, out QueryOperation value)
{
return(_operations.TryGetValue(key, out value));
}
/// <summary>
/// Adds the operation.
/// </summary>
/// <param name="operation">The operation.</param>
public void AddOperation(QueryOperation operation)
{
Validation.ThrowIfNull(operation, nameof(operation));
_operations.Add(operation.Name, operation);
}