WordPress at a glance
filter is not described

woocommerce_layered_nav_count_maybe_cache filter-hook . WC 1.0

Maybe store a transient of the count values.

Usage

add_filter( 'woocommerce_layered_nav_count_maybe_cache', 'filter_function_name_9888' );
function filter_function_name_9888( $true ){
	// filter...

	return $true;
}
$true
-

Where the hook is called

WC_Widget_Layered_Nav::get_filtered_term_product_counts()
woocommerce_layered_nav_count_maybe_cache
woocommerce/includes/widgets/class-wc-widget-layered-nav.php 393
$cache = apply_filters( 'woocommerce_layered_nav_count_maybe_cache', true );

Where in WP core the hook is used WooCommerce

Usage not found.