AggregateKind
Type: enum (of string)
Kind of aggregation for read / measured values from multiple end points.
Must be one of:
"secondMinimum"
"none"
"highThreshold"
"sum"
"lowThreshold"
"secondMaximum"
"nominal"
"fifthMaximum"
"maximum"
"excess"
"thirdMaximum"
"minimum"
"normal"
"average"
"fourthMaximum"