EnergyEfficiency constructor
      
      EnergyEfficiency({ 
    
    
- bool? carbonFreeEnergySources,
 - String? carbonFreeEnergySourcesException,
 - bool? energyConservationProgram,
 - String? energyConservationProgramException,
 - bool? energyEfficientHeatingAndCoolingSystems,
 - String? energyEfficientHeatingAndCoolingSystemsException,
 - bool? energyEfficientLighting,
 - String? energyEfficientLightingException,
 - bool? energySavingThermostats,
 - String? energySavingThermostatsException,
 - bool? greenBuildingDesign,
 - String? greenBuildingDesignException,
 - bool? independentOrganizationAuditsEnergyUse,
 - String? independentOrganizationAuditsEnergyUseException,
 
Implementation
EnergyEfficiency({
  this.carbonFreeEnergySources,
  this.carbonFreeEnergySourcesException,
  this.energyConservationProgram,
  this.energyConservationProgramException,
  this.energyEfficientHeatingAndCoolingSystems,
  this.energyEfficientHeatingAndCoolingSystemsException,
  this.energyEfficientLighting,
  this.energyEfficientLightingException,
  this.energySavingThermostats,
  this.energySavingThermostatsException,
  this.greenBuildingDesign,
  this.greenBuildingDesignException,
  this.independentOrganizationAuditsEnergyUse,
  this.independentOrganizationAuditsEnergyUseException,
});