private <T> T resolve(ConfigKey<T> key, Object value) { Object transformed = transform(key, value); Object result; if (transformed instanceof DeferredSupplier) { ExecutionContext exec = mgmt.getServerExecutionContext(); try { result = Tasks.resolveValue(transformed, key.getType(), exec); } catch (ExecutionException | InterruptedException e) { throw Exceptions.propagate(e); } } else { result = transformed; } return TypeCoercions.coerce(result, key.getTypeToken()); }