WooCommerce hide free shipping based on total cart weight

functions.php

<?php
add_filter( 'woocommerce_available_shipping_methods', 'wc_hide_free_shipping_based_on_weight' , 10, 1 );
function wc_hide_free_shipping_based_on_weight( $available_methods ) {
    if ( isset( $available_methods['free_shipping'] ) {
        global $woocommerce;
        $weight = 0;
        if ( sizeof( $woocommerce->cart->get_cart() ) > 0 ) {
            foreach ( $woocommerce->cart->get_cart() as $item_id => $values ) {
                $_product = $values['data'];
                if ( $_product->exists() && $values['quantity'] > 0 ) {
                    if ( ! $_product->is_virtual() ) {
                        $weight += $_product->get_weight() * $values['quantity'];
                    }
                }
            }
            if ( $weight > 100 )
                unset( $available_methods['free_shipping'] );
        }
    }
    return $available_methods;
}
?>

This is not working for me. I need to add free shipping based on cart amount.

The filter 'woocommerce_available_shipping_methods' does not exist in official Woocommerce Hook Reference https://docs.woocommerce.com/wc-apidocs/hook-docs.html

It was deprecated, new hook is woocommerce_package_rates and needs another kind of code.