export interface ParsedSpecifier {
    kind: 'z2f';
    /** The path portion without the query suffix. */
    path: string;
    /** Variant name (`''` for the bare `?z2f` default). */
    variant: string;
}
/**
 * Parse a Vite import specifier and decide whether the plugin handles it.
 *
 * Returns:
 * - A {@link ParsedSpecifier} when the specifier carries a `?z2f` query
 *   that is well-formed
 * - `null` when the specifier doesn't reference z2f at all (so other
 *   Vite plugins get their turn via the standard `resolveId` chain)
 *
 * Throws {@link Z2FViteError} when the specifier *intends* to use z2f
 * (contains `z2f` as a query token) but is malformed — composed with
 * other known queries, has an invalid variant name, or uses a reserved
 * internal prefix.
 */
export declare function parseSpecifier(specifier: string): ParsedSpecifier | null;
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