TestCoverage(33, TestType.allVersionsIntegMultiVersion, Os.LINUX, JvmCategory.MIN_VERSION, ALL_CROSS_VERSION_BUCKETS.size),
                TestCoverage(34, TestType.allVersionsIntegMultiVersion, Os.WINDOWS, JvmCategory.MIN_VERSION_WINDOWS_MAC, ALL_CROSS_VERSION_BUCKETS.size),

        .inOrder();
  }

  @Test
  public void concurrentIteration() throws Exception {
    graph = ValueGraphBuilder.directed().build();
    graph.putEdgeValue(1, 2, "A");
    graph.putEdgeValue(3, 4, "B");
    graph.putEdgeValue(5, 6, "C");

    int threadCount = 20;
    ExecutorService executor = newFixedThreadPool(threadCount);
    final CyclicBarrier barrier = new CyclicBarrier(threadCount);

```Python hl_lines="1 6 7 8 9"
{!../../docs_src/path_params/tutorial005.py!}
```

/// info | "情報"

<a href="https://docs.python.org/3/library/enum.html" class="external-link" target="_blank">Enumerations (もしくは、enums)はPython 3.4以降で利用できます</a>。

///

/// tip | "豆知識"

"AlexNet"、"ResNet"そして"LeNet"は機械学習<abbr title="Technically, Deep Learning model architectures">モデル</abbr>の名前です。

///

### *パスパラメータ*の宣言

pkg debug/dwarf, const AttrInline = 32
pkg debug/dwarf, const AttrIsOptional = 33
pkg debug/dwarf, const AttrLanguage = 19
pkg debug/dwarf, const AttrLocation = 2
pkg debug/dwarf, const AttrLowerBound = 34
pkg debug/dwarf, const AttrLowpc = 17
pkg debug/dwarf, const AttrMacroInfo = 67
pkg debug/dwarf, const AttrName = 3
pkg debug/dwarf, const AttrNamelistItem = 68
pkg debug/dwarf, const AttrOrdering = 9

```

## Publish MinIO events via PostgreSQL

> NOTE: Until release RELEASE.2020-04-10T03-34-42Z PostgreSQL notification used to support following options:
>
> ```
> host                (hostname)           Postgres server hostname (used only if `connection_string` is empty)

pkg debug/elf, const R_ARM_ABS32_NOI = 55
pkg debug/elf, const R_ARM_ABS32_NOI R_ARM
pkg debug/elf, const R_ARM_ALU_PCREL_15_8 = 33
pkg debug/elf, const R_ARM_ALU_PCREL_15_8 R_ARM
pkg debug/elf, const R_ARM_ALU_PCREL_23_15 = 34
pkg debug/elf, const R_ARM_ALU_PCREL_23_15 R_ARM
pkg debug/elf, const R_ARM_ALU_PCREL_7_0 = 32
pkg debug/elf, const R_ARM_ALU_PCREL_7_0 R_ARM
pkg debug/elf, const R_ARM_ALU_PC_G0 = 58

	{dataBlocks: 4, onDisks: 6, offDisks: 0, blocksize: int64(blockSizeV2), data: int64(blockSizeV2), offset: 0, length: int64(blockSizeV2), algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false},                                       // 34

  }

  public void testSetConcurrencyLevel() {
    // round up to the nearest power of two

    checkConcurrencyLevel(1, 1);
    checkConcurrencyLevel(2, 2);
    checkConcurrencyLevel(3, 4);
    checkConcurrencyLevel(4, 4);
    checkConcurrencyLevel(5, 8);
    checkConcurrencyLevel(6, 8);
    checkConcurrencyLevel(7, 8);
    checkConcurrencyLevel(8, 8);
  }

  }

  public void testSetConcurrencyLevel() {
    // round up to the nearest power of two

    checkConcurrencyLevel(1, 1);
    checkConcurrencyLevel(2, 2);
    checkConcurrencyLevel(3, 4);
    checkConcurrencyLevel(4, 4);
    checkConcurrencyLevel(5, 8);
    checkConcurrencyLevel(6, 8);
    checkConcurrencyLevel(7, 8);
    checkConcurrencyLevel(8, 8);
  }

```

////

//// tab | Python 3.8+

In versions of Python below Python 3.9 you import `Annotated` from `typing_extensions`.

It will already be installed with FastAPI.

```Python hl_lines="3-4"
{!> ../../docs_src/query_params_str_validations/tutorial002_an.py!}
```

////

/// info

FastAPI added support for `Annotated` (and started recommending it) in version 0.95.0.