Module metadata 

Message data, including message flags.

Structs

IndexId

A type used to associate two particular interesting Cone Root Indexes with a message in the Tangle, i.e. the Oldest Cone Root Index (OCRI), and the Youngest Cone Root Index (YCRI)

MessageMetadata

Metadata associated with a tangle message.

Enums

IndexIdError

An error that may occur when manipulating message indices.

MessageMetadataError

An error that may occur when manipulating message metadata.