Indicates how imported products are reconciled with the
existing products created or imported before.
Values:
RECONCILIATION_MODE_UNSPECIFIED (0):
Defaults to INCREMENTAL.
INCREMENTAL (1):
Inserts new products or updates existing
products.
FULL (2):
Calculates diff and replaces the entire
product dataset. Existing products may be
deleted if they are not present in the source
location.