* @param string the string representation of an integer value
   * @param radix the radix to use when parsing
   * @return the integer value represented by {@code string} using {@code radix}, or {@code null} if
   *     {@code string} has a length of zero or cannot be parsed as an integer value
   * @throws IllegalArgumentException if {@code radix < Character.MIN_RADIX} or {@code radix >
   *     Character.MAX_RADIX}

import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableMap;
import java.util.Deque;

/** Parser for a map of reversed domain names stored as a serialized radix tree. */
@GwtCompatible
final class TrieParser {

  private static final Joiner DIRECT_JOINER = Joiner.on("");

  /**
   * Parses a serialized trie representation of a map of reversed public suffixes into an immutable

		{Int, "0b01a0", "0b01 a0", ""}, // only accept 0-9

		// binary floats (invalid)
		{Float, "0b.", "0b.", "invalid radix point in binary literal"},
		{Float, "0b.1", "0b.1", "invalid radix point in binary literal"},
		{Float, "0b1.0", "0b1.0", "invalid radix point in binary literal"},
		{Float, "0b1e10", "0b1e10", "'e' exponent requires decimal mantissa"},

		{token.INT, "0b01a0", "0b01 a0", ""}, // only accept 0-9

		{token.FLOAT, "0b.", "0b.", "invalid radix point in binary literal"},
		{token.FLOAT, "0b.1", "0b.1", "invalid radix point in binary literal"},
		{token.FLOAT, "0b1.0", "0b1.0", "invalid radix point in binary literal"},
		{token.FLOAT, "0b1e10", "0b1e10", "'e' exponent requires decimal mantissa"},

import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableMap;
import java.util.Deque;

/** Parser for a map of reversed domain names stored as a serialized radix tree. */
@GwtCompatible
final class TrieParser {

  private static final Joiner DIRECT_JOINER = Joiner.on("");

  /**
   * Parses a serialized trie representation of a map of reversed public suffixes into an immutable

	// remove any references from the deleted node
	// to avoid memory leak
	child.child[0] = nil
	child.child[1] = nil
}

// Tree is a radix tree for IPv4 and IPv6 networks.
type Tree[T any] struct {
	rootV4 *node[T]
	rootV6 *node[T]
}

// New creates a new Radix Tree for IP addresses.
func New[T any]() *Tree[T] {
	return &Tree[T]{
		rootV4: &node[T]{
			prefix: netip.PrefixFrom(netip.IPv4Unspecified(), 0),

// space is only 2^32 bytes in size (see heapAddrBits).

package runtime

import (
	"unsafe"
)

const (
	// The number of levels in the radix tree.
	summaryLevels = 4

	// Constants for testing.
	pageAlloc32Bit = 1
	pageAlloc64Bit = 0

	// Number of bits needed to represent all indices into the L1 of the
	// chunks map.
	//

		return
	}
	if s[0] != '0' {
		return
	}
	radix := s[1]
	if radix == 'b' || radix == 'B' {
		check.versionErrorf(lit, go1_13, "binary literal")
		return
	}
	if radix == 'o' || radix == 'O' {
		check.versionErrorf(lit, go1_13, "0o/0O-style octal literal")
		return
	}
	if lit.Kind != token.INT && (radix == 'x' || radix == 'X') {

		return
	}
	if s[0] != '0' {
		return
	}
	radix := s[1]
	if radix == 'b' || radix == 'B' {
		check.versionErrorf(lit, go1_13, "binary literal")
		return
	}
	if radix == 'o' || radix == 'O' {
		check.versionErrorf(lit, go1_13, "0o/0O-style octal literal")
		return
	}
	if lit.Kind != syntax.IntLit && (radix == 'x' || radix == 'X') {

	} else {
		logger.Info("Dropping ServiceCIDR out of the queue", "ServiceCIDR", key, "err", err)
		c.queue.Forget(key)
		utilruntime.HandleError(err)
	}
	return true
}

// syncCIDRs rebuilds the radix tree based from the informers cache
func (c *Controller) syncCIDRs() error {
	serviceCIDRList, err := c.serviceCIDRLister.List(labels.Everything())
	if err != nil {
		return err
	}