export type CodeSpanScan = {
    kind: "span";
    content: string;
    end: number;
} | {
    kind: "literal";
    end: number;
};
export declare function backtickRunLength(text: string, index: number): number;
export declare function findBacktickRun(text: string, from: number, length: number): number;
export declare function scanCodeSpan(text: string, index: number): CodeSpanScan | null;
export declare function wrapCodeSpan(content: string): string;
export declare function codeBlockFence(body: string): string;
export declare function indexOfOutsideCode(text: string, marker: string, from: number): number;