Function ul_sys::JSObjectCopyPropertyNames

pub unsafe extern "C" fn JSObjectCopyPropertyNames(
    ctx: JSContextRef, 
    object: JSObjectRef
) -> JSPropertyNameArrayRef

@function @abstract Gets the names of an object's enumerable properties. @param ctx The execution context to use. @param object The object whose property names you want to get. @result A JSPropertyNameArray containing the names object's enumerable properties. Ownership follows the Create Rule.