// was this heal sequence force started?
	forceStarted bool

	// heal settings applied to this heal sequence
	settings madmin.HealOpts

	// current accumulated status of the heal sequence
	currentStatus healSequenceStatus

	// channel signaled by background routine when traversal has
	// completed
	traverseAndHealDoneCh chan error

	// canceler to cancel heal sequence.
	cancelCtx context.CancelFunc

   * time and space.
   *
   * @throws IllegalArgumentException if {@code sequence} contains ill-formed UTF-16 (unpaired
   *     surrogates)
   */
  public static int encodedLength(CharSequence sequence) {
    // Warning to maintainers: this implementation is highly optimized.
    int utf16Length = sequence.length();
    int utf8Length = utf16Length;
    int i = 0;

    // This loop optimizes for pure ASCII.

   * sequence. Returns a bogus matcher if the sequence contains supplementary characters.
   */
  public static CharMatcher anyOf(final CharSequence sequence) {
    switch (sequence.length()) {
      case 0:
        return none();
      case 1:
        return is(sequence.charAt(0));
      case 2:
        return isEither(sequence.charAt(0), sequence.charAt(1));
      default:

        return sequenceOf(directory)
    }

    private
    fun someClassesInDefaultPackage(): Sequence<Path> {
        val directory = projectDir.resolve("classes-default")

        DEFAULT_EXCLUDES_FOR_TEST.forEachIndexed { i, pkg ->
            touchFile(directory.resolve("$pkg/Foo$i.class"))
        }

        return sequenceOf(directory)
    }

    private

  }

  private Iterator<String> splittingIterator(CharSequence sequence) {
    return strategy.iterator(this, sequence);
  }

  /**
   * Splits {@code sequence} into string components and returns them as an immutable list. If you
   * want an {@link Iterable} which may be lazily evaluated, use {@link #split(CharSequence)}.
   *
   * @param sequence the sequence of characters to split

   * {@link UncheckedIOException} is thrown.
   *
   * <p>Like {@link BufferedReader#readLine()}, this method considers a line to be a sequence of
   * text that is terminated by (but does not include) one of {@code \r\n}, {@code \r} or {@code
   * \n}. If the source's content does not end in a line termination sequence, it is treated as if
   * it does.
   *
   * <p>The caller is responsible for ensuring that the returned stream is closed. For example:

from dataclasses import dataclass, field
from typing import Any, Callable, List, Optional, Sequence, Tuple

from fastapi._compat import ModelField
from fastapi.security.base import SecurityBase


@dataclass
class SecurityRequirement:
    security_scheme: SecurityBase
    scopes: Optional[Sequence[str]] = None


@dataclass
class Dependant:
    path_params: List[ModelField] = field(default_factory=list)

    // ----------------------------------------------------------------------
    // Implementation methods
    // ----------------------------------------------------------------------

    /**
     * Parses a sequence of XML elements and converts them to the given target type.
     *
     * @param parser The XML parser
     * @param toType The target type
     * @return Converted instance of the target type
     */

   * {@code sequence} as a sequence of Unicode code units. The view does not support any
   * modification operations, but reflects any changes to the underlying character sequence.
   *
   * @param sequence the character sequence to view as a {@code List} of characters
   * @return an {@code List<Character>} view of the character sequence
   * @since 7.0
   */

from dataclasses import dataclass, is_dataclass
from enum import Enum
from functools import lru_cache
from typing import (
    Any,
    Callable,
    Deque,
    Dict,
    FrozenSet,
    List,
    Mapping,
    Sequence,
    Set,
    Tuple,
    Type,
    Union,
)

from fastapi.exceptions import RequestErrorModel
from fastapi.types import IncEx, ModelNameMap, UnionType
from pydantic import BaseModel, create_model