Del deletes an invoice.

FinalizeInvoice finalizes an invoice.

Get returns the details of an invoice.

GetNext returns an upcoming invoice.

List returns a list of invoices.

ListLines returns a list of line items on an invoice.

MarkUncollectible marks an invoice as uncollectible.

New creates a new invoice.

Pay pays an invoice.

SendInvoice sends an invoice.

Update updates an invoice.

VoidInvoice voids an invoice.

Client is the client used to invoke /invoices APIs.

Iter is an iterator for invoices.

LineIter is an iterator for line items on an invoice.