wordpress/php-fpm/wordpress_files/plugins/jetpack/sal/class.json-api-post-jetpack.php

<?php
class Jetpack_Post extends SAL_Post {
	public function get_like_count() {
		return 0;
	}

	public function is_liked() {
		return false;
	}

	public function is_reblogged() {
		return false;
	}

	public function is_following() {
		return false;
	}

	public function get_global_id() {
		return '';
	}

	public function get_geo() {
		return false;
	}

	protected function get_avatar_url( $email, $avatar_size = 96 ) {
		$avatar_url = get_avatar_url( $email, array(
			'size' => $avatar_size,
		) );

		if ( ! $avatar_url || is_wp_error( $avatar_url ) ) {
			return '';
		}
		return $avatar_url;
	}
}