/**
 * Template literal tag for dedenting Fluent code.
 *
 * Strip the indent of the last line from each line of the input. Remove the
 * first and the last line from the output. The snippet must start on a new
 * line and it must end on a line of its own, with the closing delimiter on a
 * next line.
 *
 * @param strings
 * @param values
 */
export default function ftl(strings: TemplateStringsArray, ...values: Array<unknown>): string;