import { upperCaseSnakeCase } from '@sap-cloud-sdk/util' ; param target param propertyKey internal export const nonEnumerable = ( target , propertyKey ) : void => { const descriptor = Object . getOwnPropertyDescriptor ( target , propertyKey ) || { } ; if ( descriptor . enumerable !== false ) { descriptor . enumerable = false ; descriptor . writable = true ; Object . defineProperty ( target , propertyKey , descriptor ) ; } } ; param key param schema returns internal export function isNavigationProperty ( key , schema ) { return ! ! schema [ upperCaseSnakeCase ( key ) ] ?. _linkedEntityApi ; }