SOFR / risk-free-rate compounding-in-arrears math — ARRC & ISDA conventions (lookback, observation shift, lockout), the SOFR Index method, and the compounded average. Reproduces the NY Fed's published values. Zero dependencies.

This npm package provides functionality to convert JSON objects into their respective class instances. It leverages TypeScript decorators and a class registry to manage and instantiate classes dynamically based on JSON input.