Package jira provides claims and JWT signing for OAuth2 to access JIRA/Confluence.
ClaimSet contains information about the JWT signature according to Atlassian's documentation https://developer.atlassian.com/cloud/jira/software/oauth-2-jwt-bearer-token-authorization-grant-type/
Config is the configuration for using JWT to fetch tokens, commonly known as "two-legged OAuth 2.0".
Client returns an HTTP client wrapping the context's HTTP transport and adding Authorization headers with tokens obtained from c.
The returned client and its Transport should not be modified.
TokenSource returns a JWT TokenSource using the configuration in c and the HTTP client from the provided context.