nection object.</p></dd>
<dt>ts_keys</dt>
<dd><p><strong>character</strong> vector of time series identifiers.</p></dd>
<dt>valid_on</dt>
<dd><p><strong>character</strong> representation of a date in the form of 'YYYY-MM-DD'. valid_on selects the
version of a time series that is valid at the specified time.</p></dd>
<dt>regex</dt>
<dd><p><strong>boolean</strong> indicating if ts_keys should be interpreted as a regular expression pattern. Defaults to FALSE.</p></dd>
<dt>locale</dt>
<dd><p><strong>character</