/** The opening fence `line` writes, or undefined: its indentation, its run
 *  of backticks or tildes and its info string. A backtick fence's info
 *  string holds no backtick (```` ```js `x` ```` is a line of text). */
export declare function codeFenceOpen(line: string): {
    indent: number;
    marker: string;
    info: string;
} | undefined;
/** Whether `line` closes a fence opened with `marker`. */
export declare function closesCodeFence(line: string, marker: string): boolean;
/**
 * For each of `lines`, whether it belongs to a fenced code block: its
 * opening fence, its lines and its closing fence (a fence left open runs
 * to the end). For editors that mark a listing as one region and leave
 * the Markdown inside it alone.
 */
export declare function fencedCodeLines(lines: readonly string[]): boolean[];
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