public function install_strings() {
		$this->strings['no_package'] = __( 'Installation package not available.' );
		/* translators: %s: package URL */
		$this->strings['downloading_package'] = sprintf( __( 'Downloading installation package from %s&#8230;' ), '<span class="code">%s</span>' );
		$this->strings['unpack_package']      = __( 'Unpacking the package&#8230;' );
		$this->strings['installing_package']  = __( 'Installing the plugin&#8230;' );
		$this->strings['no_files']            = __( 'The plugin contains no files.' );
		$this->strings['process_failed']      = __( 'Plugin installation failed.' );
		$this->strings['process_success']     = __( 'Plugin installed successfully.' );
	}