Modification constructor
Modification()
Implementation
Modification(this.key, this.campaignId, this.variationGroupId,
this.variationId, this.isReference, dynamic pValue) {
value = pValue;
}
Modification(this.key, this.campaignId, this.variationGroupId,
this.variationId, this.isReference, dynamic pValue) {
value = pValue;
}