% This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it. **Description** Converts an input value to a boolean value. A string value of `true` will be case-insensitive converted to the Boolean `true`. For anything else, including the empty string, the function will return `false`. The numerical value of `0` will be converted to `false`, anything else will be converted to `true`.