f9/sdk/fidl/fuchsia.unknown/README.md

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# fuchsia.unknown

<div class="fidl-version-div"><span class="fidl-attribute fidl-version">Added: 9</span></div>

## **PROTOCOLS**

## Cloneable {#Cloneable}
*Defined in [fuchsia.unknown/unknown.fidl](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.unknown/unknown.fidl;l=13)*
<p>Provides a means of duplicating a connection.</p>
<p>See the composing protocol's documentation for a description of
connection-scoped state, if any.</p>

### Clone2 {#Cloneable.Clone2}


#### Request {#Cloneable.Clone2_Request}

<table>
    <tr><th>Name</th><th>Type</th></tr>
        <tr>
            <td><code>request</code></td>
            <td>
                <code>server_end&lt;<a class='link' href='#Cloneable'>Cloneable</a>&gt;</code>
            </td>
        </tr>
</table>


## Closeable {#Closeable}
*Defined in [fuchsia.unknown/unknown.fidl](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.unknown/unknown.fidl;l=21)*
<p>Provides a means of synchrnously closing a connection.</p>

### Close {#Closeable.Close}

<p>Terminates the connection.</p>
<p>After calling <code>Close</code>, the client must not send any other requests.</p>
<p>Servers, after sending the status response, should close the connection
regardless of status and without sending an epitaph.</p>
<p>Closing the client end of the channel should be semantically equivalent
to calling <code>Close</code> without knowing when the close has completed or its
status.</p>

#### Request {#Closeable.Close_Request}

&lt;EMPTY&gt;


#### Response {#Closeable.Close_Response}

<table>
    <tr><th>Name</th><th>Type</th></tr>
        <tr>
            <td><code>result</code></td>
            <td>
                <code><a class='link' href='#Closeable_Close_Result'>Closeable_Close_Result</a></code>
            </td>
        </tr>
</table>

## Queryable {#Queryable}
*Defined in [fuchsia.unknown/unknown.fidl](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.unknown/unknown.fidl;l=37)*
<p>Provides a means of identifying a type-erased protocol.</p>

### Query {#Queryable.Query}


#### Request {#Queryable.Query_Request}

&lt;EMPTY&gt;


#### Response {#Queryable.Query_Response}

<table>
    <tr><th>Name</th><th>Type</th></tr>
        <tr>
            <td><code>protocol</code></td>
            <td>
                <code>vector&lt;uint8&gt;</code>
            </td>
        </tr>
</table>


## **STRUCTS**

### Closeable_Close_Response  {#Closeable_Close_Response data-text="Closeable_Close_Response"}
*Defined in [fuchsia.unknown/unknown.fidl](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.unknown/unknown.fidl;l=33)*

&lt;EMPTY&gt;




## **UNIONS**

### Closeable_Close_Result [strict](/fuchsia-src/reference/fidl/language/language.md#strict-vs-flexible){:.fidl-attribute}  {#Closeable_Close_Result data-text="Closeable_Close_Result"}
*Defined in [fuchsia.unknown/unknown.fidl](https://cs.opensource.google/fuchsia/fuchsia/+/main:sdk/fidl/fuchsia.unknown/unknown.fidl;l=33)*
<table>
    <tr><th>Ordinal</th><th>Variant</th><th>Type</th><th>Description</th></tr>
        <tr id="Closeable_Close_Result.response">
<td><h3 id="Closeable_Close_Result.response" class="add-link hide-from-toc">1</h3></td>
            <td><code>response</code></td>
            <td>
                <code><a class='link' href='#Closeable_Close_Response'>Closeable_Close_Response</a></code>
            </td>
            <td></td>
        </tr>
        <tr id="Closeable_Close_Result.err">
<td><h3 id="Closeable_Close_Result.err" class="add-link hide-from-toc">2</h3></td>
            <td><code>err</code></td>
            <td>
                <code><a class='link' href='../zx/'>zx</a>/<a class='link' href='../zx/#status'>status</a></code>
            </td>
            <td></td>
        </tr>
</table>