nl_tokens: Creates a new credentials object .
pl_tokens: function CognitoIdentityCredentials ( params ) { AWS . Credentials . call ( this ) ; this . expired = true ; this . webIdentityCredentials = new AWS . WebIdentityCredentials ( params ) ; this . cognito = new AWS . CognitoIdentity ( { params : params } ) ; this . sts = <mask> AWS . STS ( ) ; this . params = params ; this . data = null ; this . identityId = null ; this . loadCachedId ( ) ; }