| bytes | Package bytes implements functions for the manipulation of byte slices. |
| encoding | Package encoding defines interfaces shared by other packages that convert data to and from byte-level and textual representations. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/fxamacker/cbor/v2 | Package cbor is a modern CBOR codec (RFC 8949 & RFC 8742) with CBOR tags, Go struct tag options (toarray/keyasint/omitempty/omitzero), Core Deterministic Encoding, CTAP2, Canonical CBOR, float64->32->16, and duplicate map key detection. |
| io | Package io provides basic interfaces to I/O primitives. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |