import type { DesignTokens, DtifFlattenedToken } from '../core/types.js';
import { type NameTransform } from '../utils/tokens/index.js';
export interface JsOutputOptions {
    /** Optional transform applied to token path segments before generating constants */
    nameTransform?: NameTransform;
}
/**
 * Generate JavaScript constant declarations for the provided tokens.
 *
 * Accepts DTIF token documents or pre-flattened DTIF token arrays. Each token
 * becomes an exported constant. For non-default themes, the theme name is
 * appended to the constant identifier.
 */
export declare function generateJsConstants(tokensByTheme: Record<string, DesignTokens | readonly DtifFlattenedToken[]>, options?: JsOutputOptions): string;
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