Decode extension element.
parent object.
TLV of sub element; its TLV-TYPE would be this.tt .
Optional
accumulator: Rprevious decoded value, if extension element appears more than once.
Optional
Readonly
orderOrder relative to other extensions, used on encoding only.
Readonly
ttTLV-TYPE.
Generated using TypeDoc
An extension sub element on a parent TLV element. T is the parent TLV element type. R is the value type of this extension.