/**
 * Database Functions — Native RuntimeValue Implementation
 */
import type { RuntimeValue } from "../runtime/values.js";
export declare function fnDSUM(args: RuntimeValue[]): RuntimeValue;
export declare function fnDAVERAGE(args: RuntimeValue[]): RuntimeValue;
export declare function fnDCOUNT(args: RuntimeValue[]): RuntimeValue;
export declare function fnDMAX(args: RuntimeValue[]): RuntimeValue;
export declare function fnDMIN(args: RuntimeValue[]): RuntimeValue;
export declare function fnDPRODUCT(args: RuntimeValue[]): RuntimeValue;
export declare function fnDGET(args: RuntimeValue[]): RuntimeValue;
/**
 * DCOUNTA(database, field, criteria) — count non-empty cells that match
 * the criteria, in the specified field. Unlike DCOUNT (numeric-only),
 * DCOUNTA counts any non-blank cell including text and booleans.
 */
export declare function fnDCOUNTA(args: RuntimeValue[]): RuntimeValue;
/**
 * DSTDEV(database, field, criteria) — sample standard deviation of
 * numeric cells matching criteria in the specified field.
 */
export declare function fnDSTDEV(args: RuntimeValue[]): RuntimeValue;
/**
 * DSTDEVP(database, field, criteria) — population standard deviation
 * of numeric cells matching criteria.
 */
export declare function fnDSTDEVP(args: RuntimeValue[]): RuntimeValue;
/**
 * DVAR(database, field, criteria) — sample variance of matching numeric
 * cells.
 */
export declare function fnDVAR(args: RuntimeValue[]): RuntimeValue;
/**
 * DVARP(database, field, criteria) — population variance of matching
 * numeric cells.
 */
export declare function fnDVARP(args: RuntimeValue[]): RuntimeValue;