sizeHint method
If possible give a hint of expected size of the encoding.
This method is used inside default implementation of encode
to avoid re-allocations.
Implementation
@override
int sizeHint(ExtrinsicSignature value) {
return _addressCodec.sizeHint(value.address) +
_signatureCodec.sizeHint(value.signature) +
_extensionsCodec.sizeHint(value.extra);
}