/**
 * @file GFM 定界符 flanking 规则
 * @module transformer/utils/flanking
 */
export interface DelimScan {
    numdelims: number;
    canOpen: boolean;
    canClose: boolean;
}
/** 扫描 `*` / `_` 定界符串（CommonMark scanDelims） */
export declare function scanDelims(src: string, pos: number, marker: "*" | "_"): DelimScan | null;
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