/**
 * Assembles every built-in {@link FormulaFunction} into a single list and
 * registers them into a {@link FunctionRegistry}.
 *
 * This is the one place that knows the full built-in catalog; the engine calls
 * {@link registerBuiltinFunctions} at construction. Custom functions register
 * through the same registry afterwards (last-wins), so a developer can override
 * any built-in without touching this module.
 *
 * @packageDocumentation
 */
import type { FormulaFunction } from './formula-function';
import type { FunctionRegistry } from './function-registry';
/**
 * Constructs one instance of every built-in function.
 *
 * Instances are stateless, so a single shared set is reused across all grids
 * (the registry holds references, not copies).
 *
 * @returns A fresh array of all built-in function implementations.
 */
export declare function createBuiltinFunctions(): FormulaFunction[];
/**
 * Registers all built-in functions into `registry`.
 *
 * @param registry - The registry to populate.
 */
export declare function registerBuiltinFunctions(registry: FunctionRegistry): void;
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