nl_tokens: Ensures a variable is set in the given environment container . Throws an EnvVarError if the variable is not set or a default is not provided
pl_tokens: function ( isRequired ) { if ( isRequired === <mask> ) { return accessors } if ( typeof container [ varName ] === 'undefined' && typeof defValue === 'undefined' ) { throw new EnvVarError ( ` ${ varName } ` ) } return accessors }