import type { FunctionDefinition } from '../../definition_types';
/**
 * Converts a multivalued expression into a single valued column containing a count of the number of values.
 *
 * @example
 * ROW a=["foo", "zoo", "bar"]
 * | EVAL count_a = MV_COUNT(a)
 */
declare const definition: FunctionDefinition;
export default definition;
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