/**
 * Strip surrounding `'…'` or `"…"` quotes from a CSS string token, then
 * decode CSS escape sequences inside the unwrapped value.
 *
 * Uses postcss-value-parser for tokenisation so escaped quotes inside the
 * body (`'foo\'bar'`, `"foo\"bar"`) are recognised correctly — the
 * previous regex (`^'([^']*)'$`) failed on those inputs and returned the
 * raw, still-quoted source string.
 *
 * Inputs that don't tokenise as a single, properly-closed string node
 * spanning the full input (bare identifiers, unterminated quotes,
 * multi-token values) are returned unchanged, matching the legacy
 * behaviour the rest of the codebase relies on. Unterminated quotes
 * matter because postcss-value-parser still emits them as a string node
 * (with `unclosed: true`); the gate must reject them so callers like
 * font-snapper don't get a phantom-unwrapped name for malformed input.
 */
declare function unquote(str: string): string;
export = unquote;
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