export type AthenaTableSortValue = boolean | Date | number | string | null;
export type AthenaTableSortStrategyName = "auto" | "alphabetical" | "string" | "numeric" | "datetime" | "unix_ms" | "unix_s" | "boolean" | "custom_order";
export type AthenaTableSortNulls = "first" | "last";
export interface AthenaTableSortStrategyConfig {
    /**
     * Ordered list of string values for `custom_order` strategy
     * (earlier entries sort before later ones in ascending mode).
     */
    customOrder?: readonly string[];
    /** Locale used by string/alphabetical comparisons. */
    locale?: string;
    nulls?: AthenaTableSortNulls;
    /**
     * When true, string compares use numeric collation (default for alphabetical/string).
     */
    numeric?: boolean;
    strategy?: AthenaTableSortStrategyName;
}
export type AthenaTableSortStrategy = AthenaTableSortStrategyName | AthenaTableSortStrategyConfig;
/**
 * Smart default compare used by `auto` and as a fallback for other strategies.
 */
export declare function compareSortValues(leftValue: AthenaTableSortValue | undefined, rightValue: AthenaTableSortValue | undefined, strategyInput?: AthenaTableSortStrategy): number;
export declare function resolveColumnSortValueFromRow(row: unknown, columnId: string, valueKey?: string): AthenaTableSortValue | undefined;