/**
 * Normalizes a list of parameters by applying a chain of atomic mappers to each value.
 */
export declare function createParamsMapper(mappers: ((v: unknown) => unknown)[]): (params?: unknown[]) => (string | number | bigint | boolean | null)[];
/**
 * Normalizes an object (row) by applying a chain of atomic mappers.
 * Mappers are expected to mutate the object for performance and to avoid spreads.
 */
export declare function createRowMapper<T>(mappers: ((row: T) => T)[]): (row: T) => T;
/**
 * Atomic mappers for input parameters.
 */
export declare const dateToNumber: (v: unknown) => unknown;
export declare const dateToBigInt: (v: unknown) => unknown;
export declare const jsonStringify: (v: unknown, asBinary?: boolean) => unknown;
/**
 * Escapes single quotes in a string for use in SQL literals.
 */
export declare const escapeSqlString: (str: string) => string;
/**
 * Atomic mappers for database rows.
 */
export declare const parseJson: (key: string) => (row: Record<string, unknown>) => Record<string, unknown>;
export declare const toMilliseconds: (key: string) => (row: Record<string, unknown>) => Record<string, unknown>;
export declare const mergeData: (key: string) => (row: Record<string, unknown>) => Record<string, unknown>;