import { INumber } from "../types/numbers";
import type { DeserializeNumberHandling, SerializeNumberHandling } from "../TASONSerializerOptions";
/** 线格式 / 别名中的数值标量类型名 */
export declare const NUMBER_TYPE_NAMES: Set<string>;
/** 阶段 1：无契约时的有效序列化策略 */
export type EffectiveSerializeNumberHandling = "unsafe-only" | "all" | "none";
/** 阶段 1：无契约时的有效反序列化策略 */
export type EffectiveDeserializeNumberHandling = "unsafe-only" | "all";
export declare function resolveSerializeNumberHandling(handling: SerializeNumberHandling): EffectiveSerializeNumberHandling;
export declare function resolveDeserializeNumberHandling(handling: DeserializeNumberHandling): EffectiveDeserializeNumberHandling;
export declare function isNumberTypeName(name: string): boolean;
export declare function isNumberWrapper(value: unknown): value is INumber<unknown>;
/**
 * 按反序列化选项对数值 TypeInstance 拆箱。
 * 非数值类型原样返回。
 */
export declare function unwrapNumberInstance(value: unknown, handling: DeserializeNumberHandling): unknown;
export declare function isSafeIntegerBigInt(value: bigint): boolean;
/**
 * serialize:none 时将数值包装 / bigint / Decimal 尽量写成裸字面量。
 * 无法安全裸写时返回 null，调用方回退到 TypeName 前缀。
 */
export declare function trySerializeNumberAsLiteral(value: unknown): string | null;
/** 序列化是否应对数值类型使用 TypeName 前缀（相对 none 的裸写） */
export declare function shouldPrefixNumberType(handling: SerializeNumberHandling): boolean;