import { ShikiTransformerContext, ShikiTransformer } from '@shikijs/core';
import { Element } from 'hast';
import { ShikiTransformer as ShikiTransformer$1 } from '@shikijs/types';

type MatchAlgorithm = 'v1' | 'v3';
interface MatchAlgorithmOptions {
    /**
     * Match algorithm to use
     *
     * @see https://shiki.style/packages/transformers#matching-algorithm
     * @default 'v3'
     */
    matchAlgorithm?: MatchAlgorithm;
}
declare function createCommentNotationTransformer(name: string, regex: RegExp, onMatch: (this: ShikiTransformerContext, match: string[], line: Element, commentNode: Element, lines: Element[], index: number) => boolean, matchAlgorithm: MatchAlgorithm | undefined): ShikiTransformer;

interface TransformerCompactLineOption {
    /**
     * 1-based line number.
     */
    line: number;
    classes?: string[];
}
/**
 * Transformer for `shiki`'s legacy `lineOptions`
 */
declare function transformerCompactLineOptions(lineOptions?: TransformerCompactLineOption[]): ShikiTransformer$1;

declare function parseMetaHighlightString(meta: string): number[] | null;
interface TransformerMetaHighlightOptions {
    /**
     * Class for highlighted lines
     *
     * @default 'highlighted'
     */
    className?: string;
    /**
     * Interpret line numbers as 0-indexed
     *
     * @default false
     */
    zeroIndexed?: boolean;
}
/**
 * Allow using `{1,3-5}` in the code snippet meta to mark highlighted lines.
 */
declare function transformerMetaHighlight(options?: TransformerMetaHighlightOptions): ShikiTransformer$1;

declare function parseMetaHighlightWords(meta: string): string[];
interface TransformerMetaWordHighlightOptions {
    /**
     * Class for highlighted words
     *
     * @default 'highlighted-word'
     */
    className?: string;
}
/**
 * Allow using `/word/` in the code snippet meta to mark highlighted words.
 */
declare function transformerMetaWordHighlight(options?: TransformerMetaWordHighlightOptions): ShikiTransformer$1;
declare function findAllSubstringIndexes(str: string, substr: string): number[];

interface TransformerNotationDiffOptions extends MatchAlgorithmOptions {
    /**
     * Class for added lines
     */
    classLineAdd?: string;
    /**
     * Class for removed lines
     */
    classLineRemove?: string;
    /**
     * Class added to the <pre> element when the current code has diff
     */
    classActivePre?: string;
    /**
     * Class added to the <code> element when the current code has diff
     */
    classActiveCode?: string;
}
/**
 * Use `[!code ++]` and `[!code --]` to mark added and removed lines.
 */
declare function transformerNotationDiff(options?: TransformerNotationDiffOptions): ShikiTransformer$1;

interface TransformerNotationErrorLevelOptions extends MatchAlgorithmOptions {
    classMap?: Record<string, string | string[]>;
    /**
     * Class added to the <pre> element when the current code has diff
     */
    classActivePre?: string;
    /**
     * Class added to the <code> element when the current code has diff
     */
    classActiveCode?: string;
}
/**
 * Allow using `[!code error]` `[!code warning]` notation in code to mark highlighted lines.
 */
declare function transformerNotationErrorLevel(options?: TransformerNotationErrorLevelOptions): ShikiTransformer$1;

interface TransformerNotationFocusOptions extends MatchAlgorithmOptions {
    /**
     * Class for focused lines
     */
    classActiveLine?: string;
    /**
     * Class added to the root element when the code has focused lines
     */
    classActivePre?: string;
    /**
     * Class added to the <code> element when the code has focused lines
     */
    classActiveCode?: string;
}
/**
 * Allow using `[!code focus]` notation in code to mark focused lines.
 */
declare function transformerNotationFocus(options?: TransformerNotationFocusOptions): ShikiTransformer$1;

interface TransformerNotationHighlightOptions extends MatchAlgorithmOptions {
    /**
     * Class for highlighted lines
     */
    classActiveLine?: string;
    /**
     * Class added to the root element when the code has highlighted lines
     */
    classActivePre?: string;
    /**
     * Class added to the <code> element when the code has highlighted lines
     */
    classActiveCode?: string;
}
/**
 * Allow using `[!code highlight]` notation in code to mark highlighted lines.
 */
declare function transformerNotationHighlight(options?: TransformerNotationHighlightOptions): ShikiTransformer$1;

interface TransformerNotationWordHighlightOptions extends MatchAlgorithmOptions {
    /**
     * Class for highlighted words
     */
    classActiveWord?: string;
    /**
     * Class added to the root element when the code has highlighted words
     */
    classActivePre?: string;
}
declare function transformerNotationWordHighlight(options?: TransformerNotationWordHighlightOptions): ShikiTransformer$1;

interface TransformerNotationMapOptions extends MatchAlgorithmOptions {
    classMap?: Record<string, string | string[]>;
    /**
     * Class added to the <pre> element when the current code has diff
     */
    classActivePre?: string;
    /**
     * Class added to the <code> element when the current code has diff
     */
    classActiveCode?: string;
}
declare function transformerNotationMap(options?: TransformerNotationMapOptions, name?: string): ShikiTransformer$1;

interface TransformerRemoveCommentsOptions {
    /**
     * Remove lines that become empty after removing comments.
     * @default true
     */
    removeEmptyLines?: boolean;
}
/**
 * Remove comments from the code.
 */
declare function transformerRemoveComments(options?: TransformerRemoveCommentsOptions): ShikiTransformer$1;

/**
 * Remove line breaks between lines.
 * Useful when you override `display: block` to `.line` in CSS.
 */
declare function transformerRemoveLineBreak(): ShikiTransformer$1;

/**
 * Remove notation escapes.
 * Useful when you want to write `// [!code` in markdown.
 * If you process `// [\!code ...]` expression, you can get `// [!code ...]` in the output.
 */
declare function transformerRemoveNotationEscape(): ShikiTransformer$1;

interface TransformerRenderIndentGuidesOptions {
    indent?: number | false;
}
/**
 * Render indentations as separate tokens.
 * Apply with CSS, it can be used to render indent guides visually.
 */
declare function transformerRenderIndentGuides(options?: TransformerRenderIndentGuidesOptions): ShikiTransformer$1;

interface TransformerRenderWhitespaceOptions {
    /**
     * Class for tab
     *
     * @default 'tab'
     */
    classTab?: string;
    /**
     * Class for space
     *
     * @default 'space'
     */
    classSpace?: string;
    /**
     * Position of rendered whitespace
     * @default all position
     */
    position?: 'all' | 'boundary' | 'trailing';
}
/**
 * Render whitespaces as separate tokens.
 * Apply with CSS, it can be used to render tabs and spaces visually.
 */
declare function transformerRenderWhitespace(options?: TransformerRenderWhitespaceOptions): ShikiTransformer$1;

interface TransformerStyleToClassOptions {
    /**
     * Prefix for class names.
     * @default '__shiki_'
     */
    classPrefix?: string;
    /**
     * Suffix for class names.
     * @default ''
     */
    classSuffix?: string;
    /**
     * Callback to replace class names.
     * @default (className) => className
     */
    classReplacer?: (className: string) => string;
}
interface ShikiTransformerStyleToClass extends ShikiTransformer$1 {
    getClassRegistry: () => Map<string, Record<string, string> | string>;
    getCSS: () => string;
    clearRegistry: () => void;
}
/**
 * Remove line breaks between lines.
 * Useful when you override `display: block` to `.line` in CSS.
 */
declare function transformerStyleToClass(options?: TransformerStyleToClassOptions): ShikiTransformerStyleToClass;

export { createCommentNotationTransformer, findAllSubstringIndexes, parseMetaHighlightString, parseMetaHighlightWords, transformerCompactLineOptions, transformerMetaHighlight, transformerMetaWordHighlight, transformerNotationDiff, transformerNotationErrorLevel, transformerNotationFocus, transformerNotationHighlight, transformerNotationMap, transformerNotationWordHighlight, transformerRemoveComments, transformerRemoveLineBreak, transformerRemoveNotationEscape, transformerRenderIndentGuides, transformerRenderWhitespace, transformerStyleToClass };
export type { ShikiTransformerStyleToClass, TransformerCompactLineOption, TransformerMetaHighlightOptions, TransformerMetaWordHighlightOptions, TransformerNotationDiffOptions, TransformerNotationErrorLevelOptions, TransformerNotationFocusOptions, TransformerNotationHighlightOptions, TransformerNotationMapOptions, TransformerNotationWordHighlightOptions, TransformerRemoveCommentsOptions, TransformerRenderIndentGuidesOptions, TransformerRenderWhitespaceOptions, TransformerStyleToClassOptions };