import { type ColorTokens } from "../../style/index.js";
/**
 * What one span of highlighted code is: plain text, a comment, a string, a keyword, a
 * number, a tag, a component tag name, an attribute, a function name or a variable.
 * CodeBlock paints each kind in its own ink (`syntaxColor`).
 */
export type TokenKind = "text" | "comment" | "string" | "keyword" | "number" | "tag" | "component" | "attr" | "fn" | "var";
/** One span of a highlighted line: its text and its kind. */
export interface CodeToken {
    text: string;
    kind: TokenKind;
}
/** Resolve a `language` prop to a supported grammar key, or undefined. */
export declare function resolveLanguage(language?: string): string | undefined;
/**
 * Tokenize `code` into per-line spans for the given language. Unknown or absent
 * languages yield monochrome lines (every span kind "text"), so rendering never
 * branches on highlight support.
 */
export declare function tokenize(code: string, language?: string): CodeToken[][];
/**
 * The theme-aware color for a token kind: the hand-off's code inks (cv-kit-code3.js
 * `hl`, and the component page's `hl` at Component.dc.html line 324 for the jsx
 * grammar). Keywords and component tag names in the accent's text ink
 * (`var(--ion-tx)`), strings in mint (`var(--mint)`), numbers in amber, tags and
 * attributes in cyan (`var(--cyan)`), comments in the subtle ink (`var(--tx3)`). `dark`
 * says the code sits on a dark bed: the dark scheme's own tokens, or the terminal's
 * fixed dark window in any scheme, which takes the dark scheme's inks.
 */
export declare function syntaxColor(kind: TokenKind, tokens: ColorTokens, dark: boolean): string;
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