public function get_collection_params() {
		$query_params = parent::get_collection_params();

		// Pagination is not supported.
		unset( $query_params['page'] );
		unset( $query_params['per_page'] );

		$query_params['search']['minLength'] = 1;
		$query_params['context']['default']  = 'view';

		$query_params['category'] = array(
			'description' => __( 'Limit results to those matching a category ID.' ),
			'type'        => 'integer',
			'minimum'     => 1,
		);

		$query_params['keyword'] = array(
			'description' => __( 'Limit results to those matching a keyword ID.' ),
			'type'        => 'integer',
			'minimum'     => 1,
		);

		$query_params['slug'] = array(
			'description' => __( 'Limit results to those matching a pattern (slug).' ),
			'type'        => 'array',
		);

		/**
		 * Filter collection parameters for the block pattern directory controller.
		 *
		 * @since 5.8.0
		 *
		 * @param array $query_params JSON Schema-formatted collection parameters.
		 */
		return apply_filters( 'rest_pattern_directory_collection_params', $query_params );
	}