This object indicates the numerically lowest available
index within this entity, which may be used for the
value of etsysConfigMgmtChangeIndex in the creation
of a new entry in the etsysConfigMgmtChangeTable.
An index is considered available if the index value
falls within the range of 1 to etsysConfigMgmtChangeLimit
and is not being used to index an existing entry in the
etsysConfigMgmtChangeTable contained within this entity.
A value of zero indicates that all of the entries in the
etsysConfigMgmtChangeTable are currently in use.
This value should only be considered a guideline for
management creation of etsysConfigMgmtChangeTable
entries, there is no requirement on management to
create entries based upon this index value.