/** One comment in the file, in character offsets and in the lines it covers. */
export type CommentSpan = {
    /** Index of the slash that opens it. */
    start: number;
    /** One past the comment's last character, its closing delimiter included. */
    end: number;
    /** 1-based line the comment opens on. */
    line: number;
    /** 1-based line the comment ends on — equal to `line` unless it is a block comment. */
    endLine: number;
    /** The comment's own text, opening marker included. */
    text: string;
};
/**
 * Every comment in `source`, in order.
 *
 * `text` is sliced from the original so a caller can cut at `start` and keep the code
 * that was already there — which is the operation the pruner must get exactly right.
 */
export declare function commentSpans(source: string): CommentSpan[];
/**
 * Does this code stop INSIDE something open?
 *
 * The question the comment-only proof had to learn to ask. `original.startsWith(kept)` is
 * true of EVERY truncation, so it cannot tell a revealed comment from a string cut in
 * half; a prefix that ends inside a quote, a template or a regex is a different program,
 * whatever it starts with. This is what would have refused the write that left
 * `snippet: \`` in `src/`.
 */
export declare function endsInsideLiteral(code: string): boolean;