export interface InlineRun {
    text: string;
    bold?: boolean;
    italic?: boolean;
    smallCaps?: boolean;
    script?: 'sup' | 'sub';
    /** Postext Markdown written as is. */
    raw?: boolean;
    /** Link destination. */
    href?: string;
    /** Chip style id. */
    chip?: string;
    /** Footnote marker (`[^id]`); `text` is empty. */
    note?: string;
}
export declare const WORD_JOINER = "\u2060";
/** A forced line break inside a paragraph (#620) in a run's text: Word's
 *  soft return (`<w:br/>`, Shift+Enter), Postext Markdown's backslash at
 *  the end of a line (or `\\` before a space). */
export declare const LINE_BREAK = "\u2028";
/** Escape the characters with inline meaning so they print literally. An
 *  `_` between two letters is text already and stays bare. */
export declare function escapeText(text: string, before?: string, after?: string): string;
/** A word joiner in front of a paragraph that would otherwise open a list,
 *  heading, quote, fence or note definition. */
export declare function guardLineStart(line: string): string;
/** A link destination Postext reads back whole: spaces, `$`, backslashes,
 *  angle brackets and unbalanced parentheses percent-encoded. */
export declare function linkDestination(url: string): string;
/** Style boundaries on word boundaries: spaces and punctuation between two
 *  runs of one style take that style; a style change inside a word moves to
 *  the word's edge (the longer side wins). */
export declare function normaliseRuns(input: InlineRun[], tidy?: boolean): InlineRun[];
/** Postext inline Markdown for runs. Links and chips wrap their own runs. */
export declare function renderInline(input: InlineRun[], opts?: {
    collapseSpaces?: boolean;
    tidy?: boolean;
}): string;
export interface ParseInlineOptions {
    /** Footnote ids to turn into Word notes (the rest stay verbatim). */
    notes?: ReadonlySet<string>;
    /** Called for each note marker taken; return false to keep it verbatim
     *  (a note cited twice is one Word note). */
    takeNote?: (id: string) => boolean;
    /** Heading text: `\\` (a title break) stays verbatim. Elsewhere a forced
     *  line break (#620) becomes a {@link LINE_BREAK} in the text. */
    heading?: boolean;
}
/** Postext inline Markdown → runs. Every character with inline meaning the
 *  runs cannot say (an unpaired `*`, a `$` that opens nothing) is kept as a
 *  verbatim run, so `renderInline(parseInline(x))` reads as `x`. */
export declare function parseInline(text: string, opts?: ParseInlineOptions): InlineRun[];
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