| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| go.mau.fi/libsignal/groups/state/record | Package record provides the state and record of a group session. |
| go.mau.fi/libsignal/logger | Package logger provides optional debug logging of the Signal library. |
| go.mau.fi/libsignal/protocol | Package protocol provides address, group, and message structures that the Signal protocol uses for sending encrypted messages. |
| go.mau.fi/libsignal/state/record | Package record provides the state and record of an ongoing double ratchet session. |
| go.mau.fi/libsignal/util/bytehelper | |
| go.mau.fi/libsignal/util/optional | |
| google.golang.org/protobuf/proto | Package proto provides functions operating on protocol buffer messages. |
| google.golang.org/protobuf/reflect/protoreflect | Package protoreflect provides interfaces to dynamically manipulate messages. |
| google.golang.org/protobuf/runtime/protoimpl | Package protoimpl contains the default implementation for messages generated by protoc-gen-go. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |