import type { Condition } from '../../../mod.js';
import type { CaseInfo } from './type.js';
/** 核心匹配语句 */
export declare function matching<T>(match_value: any, condition: Condition<T>, flag: symbol | string): symbol | null | string;
/** 返回match的值 */
export declare function match_return(type: 'Some' | 'None', def: any, match_value: any, result: any, caseinfo: CaseInfo): any;
/** 解析配置信息`caseinfo`并生成正确的返回值 */
export declare function match_result(match_value: any, result: any, info: CaseInfo): any;
/** 类型守卫 , 防止NonNullable数据 */
export declare function type_protect(value: unknown): void | never;
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