nl_tokens: Checks if value is an empty object collection map or set .
pl_tokens: function isEmpty ( value ) { if ( value == null ) { return true ; } if ( isArrayLike ( value ) && ( isArray ( value ) || typeof value == 'string' || typeof value . splice == 'function' || isBuffer ( value ) || isTypedArray ( value ) || isArguments ( value ) ) ) { return ! value . length ; } var tag = getTag$1 ( value ) ; if ( tag == mapTag$3 || tag == setTag$3 ) { return ! value . size ; } if ( isPrototype ( value ) ) { return ! baseKeys ( value ) . length ; } for ( var key in <mask> ) { if ( hasOwnProperty$c . call ( value , key ) ) { return false ; } } return true ; }