public function compile_translations( array $strings, $domains ) {
		$cache_salts = [ $strings, $domains, get_locale() ];
		$cache_key   = __METHOD__ . md5( serialize( $cache_salts ) );

		$expiration_trigger = Cache_Listener::TRIGGER_UPDATED_OPTION;
		$cached             = tribe_cache()->get( $cache_key, $expiration_trigger, false, DAY_IN_SECONDS );

		if ( false !== $cached ) {
			return $cached;
		}

		foreach ( (array) $domains as $domain => $file ) {
			// Reload it with the correct language.
			unload_textdomain( $domain );

			if ( 'default' === $domain ) {
				load_default_textdomain();
			} else {
				Common::instance()->load_text_domain( $domain, $file );
			}

			// Loop on the strings the build the possible translations.
			foreach ( $strings as $key => $value ) {
				$value = is_array( $value ) ? reset( $value ) : $value;
				if ( ! is_string( $value ) ) {
					continue;
				}

				// Make sure we have an array.
				$strings[ $key ] = (array) $strings[ $key ];

				// Grab the possible strings for default and any other domain.
				if ( 'default' === $domain ) {
					$strings[ $key ][] = __( $value );
					$strings[ $key ][] = __( strtolower( $value ) );
					$strings[ $key ][] = __( ucfirst( $value ) );
				} else {
					$strings[ $key ][] = __( $value, $domain );
					$strings[ $key ][] = __( strtolower( $value ), $domain );
					$strings[ $key ][] = __( ucfirst( $value ), $domain );
				}
			}

			// Reload it with the correct language.
			unload_textdomain( $domain );

			if ( 'default' === $domain ) {
				load_default_textdomain();
			} else {
				Common::instance()->load_text_domain( $domain, $file );
			}
		}

		tribe_cache()->set( $cache_key, $strings, DAY_IN_SECONDS, $expiration_trigger );

		return $strings;
	}