/**
 * Type mapping from ClickHouse types to TypeScript SDK validators
 */
/**
 * Map a ClickHouse type to a t.* validator call
 *
 * Handles:
 * - Basic types: String, Int32, Float64, DateTime, etc.
 * - Nullable wrapper: Nullable(String) -> t.string().nullable()
 * - LowCardinality wrapper: LowCardinality(String) -> t.string().lowCardinality()
 * - Parameterized types: DateTime('UTC'), FixedString(10), Decimal(10, 2)
 * - Complex types: Array(String), Map(String, Int32)
 * - Aggregate functions: SimpleAggregateFunction(sum, UInt64)
 */
export declare function clickhouseTypeToValidator(chType: string): string;
/**
 * Map a pipe parameter type to a p.* validator call
 */
export declare function paramTypeToValidator(paramType: string, defaultValue?: string | number, required?: boolean): string;
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