An array is a list of values grouped into a single value. An array may be of variable length; in one record the array field may contain two elements, while in the next record, it contains six elements. Arrays must be wrapped in square brackets; parentheses are not supported.
Array keys and values must be enclosed in double-quotes, regardless of data type.
\t escaped characters are supported in inputs for this data type. For more information, see Supported Special Regular Expression Characters.
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