/// <summary>
/// Helper method to invoke <see cref="AddSupportForAllConfigurationInstances(Assembler)"/> and then <see cref="AddSupportForConfigurationManager(Assembler)"/> and return the resulting <see cref="ConfigurationManagerDeclaration"/>.
/// </summary>
/// <param name="assembler">The <see cref="Assembler"/> to add composites to.</param>
/// <returns><inheritdoc cref="AddSupportForConfigurationManager(Assembler)" /></returns>
/// <exception cref="NullReferenceException"><inheritdoc cref="AddSupportForConfigurationManager(Assembler)" /></exception>
/// <seealso cref="ConfigurationManagerDeclaration"/>
public static ConfigurationManagerDeclaration AddSupportForAllConfigurationInstancesAndManager(this Assembler assembler)
{
return(assembler.AddSupportForAllConfigurationInstances().Assembler.AddSupportForConfigurationManager());
}