import { Theme } from "./types";
/**
 * Convert a camel case string to a kebab case string.
 * @param str - The string to convert.
 * @returns A kebab case string.
 */
export declare function camelToKebab(str: string): string;
/**
 * Convert a theme object to a string of CSS variables.
 * @param theme - The theme object to convert.
 * @param prefix - The prefix to use for the CSS variables.
 * @returns A string of CSS variables.
 */
export declare function themeToCssVars(theme: Record<string, unknown>, prefix?: string): string;
/**
 * Validate a partial theme object in development and return it as-is.
 *
 * Works for both light and dark overrides — call it once per theme object:
 *
 * ```tsx
 * <ThemeProvider
 *   lightTheme={createTheme({ interactiveAccentDefault: "oklch(0.6 0.2 260)" })}
 *   darkTheme={createTheme({ interactiveAccentDefault: "oklch(0.4 0.2 260)" })}
 * />
 * ```
 *
 * In non-production builds this checks every key against the known theme keys
 * and emits a `console.warn` with a "did you mean …?" suggestion for typos.
 * In production the validation code is stripped by bundlers.
 *
 * @param theme - A partial {@link Theme} to validate (light or dark overrides).
 * @returns The same `theme` object, unmodified.
 */
export declare function createTheme(theme: Theme): Theme;
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