[
 "?( condition true_expression false_expression)",
 "@( [ $label ] $data_item )",
 "&( $data_item1 $data_item2 [ $data_item3 ... ] )",
 "empty( $data_item )",
 "exists( $data_item )",
 "group( $items $bucket_name_transform [ $value_transform ] )",
 "explode( $string )",
 "first( $array [ $transform ] )",
 "grep( $array_or_object $search_transform [ $value_transform ] [ $extra ])",
 "derive( $data $action_map )",
 "chain( $data $transform_chain)",
 "fne( $item1 $item2 $item3 ...)",
 "now( $seconds_only )",
 "strftime( $time_format $time_since_epoch [ $timezone ] )",
 "random_string( $template [ $charmap ] )",
 "keys( $object )",
 "length( $item )",
 "url_encode( $string )",
 "url_decode( $encoded_string )",
 "escape( $string [ $characters ] )",
 "regex( $pattern [ $flags ] )",
 "replace( $string $search $replacement )",
 "match( $string $search )",
 "merge_into( $object $keypath $data )",
 "flatten( $array_or_object [ $separator ] [ $prefix ] )",
 "unflatten( $object [ $separator ])",
 "sort_by( $array $extractor )",
 "sort( $array $comparison )",
 "reverse( $array_or_string )",
 "split( $string $regexp )",
 "join( $array $separator )",
 "inject( $object $object_to_merge )",
 "substr( $string $start $end )",
 "typeof( $thing )",
 "uuid([ $version ] [ $name ] [ $namespace ])",
 "transform($input $transform_or_expression)",
 "values( $object )",
 "lc( $string )",
 "uc( $string )",
 "capitalize( $string )",
 "sprintf( $formatstring [$args...] )",
 "tofixed( $number $precision $as_string)",
 "bignumber_clean( $thing $use_strings )",
 "from_json( $json_string )",
 "to_json( $value_or_object $pretty $preserve_undefined $bignumbers_as_strings)",
 "segment( $array [$group_size $start $end ] )",
 "head( $array $n )",
 "tail( $array $n )",
 "extract( $input_data [ keys to extract ] )",
 "pairs( $object )",
 "map( $input_data $transform [ $extra ])",
 "reduce( $input_data $transform [$memo])",
 "intersection( $list_a $list_b)",
 "union( $list_a $list_b)",
 "difference( $list_a $list_b)",
 "member( $list $item)",
 "subset( $list_a $list_b)",

            "math.abs($number)",
            "math.acos($number)",
            "math.acosh($number)",
            "math.asin($number)",
            "math.asinh($number)",
            "math.atan($number)",
            "math.atan2( $x $y )",
            "math.atanh($number)",
            "math.cbrt($number)",
            "math.ceil($number)",
            "math.clz32($number)",
            "math.cos($number)",
            "math.cosh($number)",
            "math.exp($number)",
            "math.expm1($number)",
            "math.floor($number)",
            "math.fround($number)",
            "math.hypot( $number [$number...] )",
            "math.imul( $a $b )",
            "math.log($number)",
            "math.log10($number)",
            "math.log1p($number)",
            "math.log2($number)",
            "math.max($array_of_numbers)",
            "math.min($array_of_numbers)",
            "math.pow( $x $y )",
            "math.rand( $max )",
            "math.random()",
            "math.round($number)",
            "math.sign($number)",
            "math.sin($number)",
            "math.sinh($number)",
            "math.sqrt($number)",
            "math.tan($number)",
            "math.tanh($number)",
            "math.trunc($number)",
            "math.E()",
            "math.LN10()",
            "math.LN2()",
            "math.LOG10E()",
            "math.LOG2E()",
            "math.PI()",
            "math.SQRT1_2()",
            "math.SQRT2()"

]