export interface SettingsCodec {
    /**
     * For messages and the generated JSON Schema only. The core never branches
     * on it — that is the whole reason this is a codec and not an enum, so a
     * branch on this field would put the defect straight back.
     */
    readonly label: string;
    /** Throws on malformed text; every caller today already catches. */
    parse(text: string): Record<string, unknown>;
    /** The inverse, with the trailing newline the harness's own tooling writes. */
    render(value: Record<string, unknown>): string;
}
/** JSON settings (`.claude/settings.json`, `opencode.json`). */
export declare const jsonSettingsCodec: SettingsCodec;
/** TOML settings (Codex's `.codex/config.toml`). */
export declare const tomlSettingsCodec: SettingsCodec;
//# sourceMappingURL=settings-codec.d.ts.map