SshKeyAuthTunnelMethod
constructor(@JsonPropertyDescription(value = "Hostname of the jump server host that allows inbound ssh tunnel.") host: String, @JsonPropertyDescription(value = "Port on the proxy/jump server that accepts inbound ssh connections.") port: Int, @JsonPropertyDescription(value = "OS-level username for logging into the jump server host") user: String, @JsonPropertyDescription(value = "OS-level user account ssh key credentials in RSA PEM format ( created with ssh-keygen -t rsa -m PEM -f myuser_rsa )") key: String)