public ItemComparer(
     IMerchantNameComparer merchantNameComparer,
     IAmountComparer amountComparer,
     IDateComparer dateComparer)
 {
     this.merchantNameComparer = merchantNameComparer;
     this.amountComparer       = amountComparer;
     this.dateComparer         = dateComparer;
 }
 public ItemComparer(
     IDetailsComparer detailsComparer,
     IAmountComparer amountComparer,
     IDateComparer dateComparer)
 {
     this.detailsComparer = detailsComparer;
     this.amountComparer  = amountComparer;
     this.dateComparer    = dateComparer;
 }