RangeEntries iterates over the entries of es according to the specified order.

RangeFields iterates over the fields of fs according to the specified order.

AnyFieldOrder specifies no specific field ordering.

AnyKeyOrder specifies no specific key ordering.

GenericKeyOrder sorts false before true, numeric keys in ascending order, and strings in lexicographical ordering according to UTF-8 codepoints.

IndexNameFieldOrder sorts non-extension fields before extension fields.

LegacyFieldOrder sorts fields in the same ordering as emitted by wire serialization in the github.com/golang/protobuf implementation.

NumberFieldOrder sorts fields by their field number.

FieldOrder specifies the ordering to visit message fields.

KeyOrder specifies the ordering to visit map entries.