Query permission of a secured api in current context.
Example
fin.System.queryPermissionForCurrentContext('System.launchExternalProcess').then(result => console.log(result)).catch(err => console.log(err));
Permission Result
//This response has the following shape:
{
permission: 'System.launchExternalProcess', // api full name
state: 'granted', // state of permission
granted: true
}