public function get_content_type( $data_type, $headers ) {
		$supported_data_types = array(
			'application/x-www-form-urlencoded' => 'x-www-form-urlencoded',
			'multipart/form-data'               => 'form-data',
			'application/json'                  => 'json',
			'text/plain'                        => 'plain',
			'application/binary'                => 'binary',
			'text/html'                         => 'html',
			'xml'                               => 'xml',
			'GraphQL'                           => 'GraphQL',
			'raw'                               => 'raw',
		);
		if ( 'none' === $data_type ) {
			$data_type = 'raw';
		}
		if ( in_array( $data_type, $supported_data_types, true ) ) {
			$type                    = array_search( $data_type, $supported_data_types, true );
			$headers['Content-Type'] = $type;

			return $headers;
		}

		$headers['Content-Type'] = 'application/x-www-form-urlencoded';

		return $headers;
	}