import type { FunctionDefinition } from '../../definition_types';
/**
 * Returns true if the input expression yields any non-null values within the current aggregation context. Otherwise it returns false.
 *
 * @example
 * FROM employees
 * | STATS is_present = PRESENT(languages)
 *
 * @example
 * FROM employees
 * | STATS is_present = PRESENT(salary) BY languages
 *
 * @example
 * FROM employees
 * | WHERE emp_no == 10020
 * | STATS is_present = TO_INTEGER(PRESENT(languages))
 */
declare const definition: FunctionDefinition;
export default definition;
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