const impl_holder: LDKFeeEstimatorHolder = new LDKFeeEstimatorHolder();
let structImplementation = <bindings.LDKFeeEstimator>{
// todo: in-line interface filling
const impl_holder: LDKFeeEstimatorHolder = new LDKFeeEstimatorHolder();
let structImplementation = <bindings.LDKFeeEstimator>{
// todo: in-line interface filling