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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>GimpModule</title><meta name="generator" content="DocBook XSL Stylesheets V1.66.1"><link rel="start" href="index.html" title="GIMP Module Library Reference Manual"><link rel="up" href="libgimpmodule.html" title="PartI.GIMP Module Library"><link rel="prev" href="libgimpmodule.html" title="PartI.GIMP Module Library"><link rel="next" href="GimpModuleDB.html" title="GimpModuleDB"><meta name="generator" content="GTK-Doc V1.2 (XML mode)"><style type="text/css">
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</style></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libgimpmodule.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="libgimpmodule.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GIMP Module Library Reference Manual</th><td><a accesskey="n" href="GimpModuleDB.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry" lang="en"><a name="GimpModule"></a><div class="titlepage"></div><div class="refnamediv"><h2><span class="refentrytitle">GimpModule</span></h2><p>GimpModule — A <span class="type">GTypeModule</span> subclass which implements module loading using <span class="type">GModule</span>.</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
struct <a href="GimpModule.html#GimpModule-struct">GimpModule</a>;
struct <a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a>;
enum <a href="GimpModule.html#GimpModuleState">GimpModuleState</a>;
const <a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a>* (<a href="GimpModule.html#GimpModuleQueryFunc">*GimpModuleQueryFunc</a>)
(GTypeModule *module);
gboolean (<a href="GimpModule.html#GimpModuleRegisterFunc">*GimpModuleRegisterFunc</a>) (GTypeModule *module);
#define <a href="GimpModule.html#GIMP-MODULE-ABI-VERSION-CAPS">GIMP_MODULE_ABI_VERSION</a>
#define <a href="GimpModule.html#GIMP-MODULE-PARAM-SERIALIZE-CAPS">GIMP_MODULE_PARAM_SERIALIZE</a>
<a href="GimpModule.html" title="GimpModule">GimpModule</a>* <a href="GimpModule.html#gimp-module-new">gimp_module_new</a> (const gchar *filename,
gboolean load_inhibit,
gboolean verbose);
void <a href="GimpModule.html#gimp-module-modified">gimp_module_modified</a> (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *module);
gboolean <a href="GimpModule.html#gimp-module-query-module">gimp_module_query_module</a> (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *module);
void <a href="GimpModule.html#gimp-module-set-load-inhibit">gimp_module_set_load_inhibit</a> (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *module,
gboolean load_inhibit);
const gchar* <a href="GimpModule.html#gimp-module-state-name">gimp_module_state_name</a> (<a href="GimpModule.html#GimpModuleState">GimpModuleState</a> state);
GType <a href="GimpModule.html#gimp-module-register-enum">gimp_module_register_enum</a> (GTypeModule *module,
const gchar *name,
const GEnumValue *const_static_values);
<a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a>* <a href="GimpModule.html#gimp-module-info-new">gimp_module_info_new</a> (guint32 abi_version,
const gchar *purpose,
const gchar *author,
const gchar *version,
const gchar *copyright,
const gchar *date);
<a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a>* <a href="GimpModule.html#gimp-module-info-copy">gimp_module_info_copy</a> (const <a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a> *info);
void <a href="GimpModule.html#gimp-module-info-free">gimp_module_info_free</a> (<a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a> *info);
</pre></div><div class="refsect1" lang="en"><a name="id2467364"></a><h2>Object Hierarchy</h2><pre class="synopsis">
GObject
+----GTypeModule
+----GimpModule
</pre></div><div class="refsect1" lang="en"><a name="id2549131"></a><h2>Implemented Interfaces</h2><p>
GimpModule implements
GTypePlugin.</p></div><div class="refsect1" lang="en"><a name="id2549146"></a><h2>Signal Prototypes</h2><pre class="synopsis">
"<a href="GimpModule.html#GimpModule-modified">modified</a>" void user_function (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *gimpmodule,
gpointer user_data);
</pre></div><div class="refsect1" lang="en"><a name="id2549178"></a><h2>Description</h2><p>
A <span class="type">GTypeModule</span> subclass which implements module loading using <span class="type">GModule</span>.
</p></div><div class="refsect1" lang="en"><a name="id2549201"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2549206"></a><h3><a name="GimpModule-struct"></a>struct GimpModule</h3><a class="indexterm" name="id2549214"></a><pre class="programlisting">struct GimpModule {
gchar *filename; /* path to the module */
gboolean verbose; /* verbose error reporting */
GimpModuleState state; /* what's happened to the module */
gboolean on_disk; /* TRUE if file still exists */
gboolean load_inhibit; /* user requests not to load at boot time */
/* stuff from now on may be NULL depending on the state the module is in */
GimpModuleInfo *info; /* returned values from module_query */
gchar *last_module_error;
};
</pre><p>
<a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> is a generic mechanism to dynamically load modules into
the GIMP. It is a <span class="type">GTypeModule</span> subclass, implementing module loading
using <span class="type">GModule</span>. <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> does not know which functionality is
implemented by the modules, it just provides a framework to get
arbitrary <span class="type">GType</span> implementations loaded from disk.
</p></div><hr><div class="refsect2" lang="en"><a name="id2545406"></a><h3><a name="GimpModuleInfo"></a>struct GimpModuleInfo</h3><a class="indexterm" name="id2566167"></a><pre class="programlisting">struct GimpModuleInfo {
guint32 abi_version;
gchar *purpose;
gchar *author;
gchar *version;
gchar *copyright;
gchar *date;
};
</pre><p>
This structure contains information about a loadable module.
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term">guint32 <i class="structfield"><tt>abi_version</tt></i></span></td><td>The <a href="GimpModule.html#GIMP-MODULE-ABI-VERSION-CAPS"><span class="type">GIMP_MODULE_ABI_VERSION</span></a> the module was compiled against.
</td></tr><tr><td><span class="term">gchar *<i class="structfield"><tt>purpose</tt></i></span></td><td> The module's general purpose.
</td></tr><tr><td><span class="term">gchar *<i class="structfield"><tt>author</tt></i></span></td><td> The module's author.
</td></tr><tr><td><span class="term">gchar *<i class="structfield"><tt>version</tt></i></span></td><td> The module's version.
</td></tr><tr><td><span class="term">gchar *<i class="structfield"><tt>copyright</tt></i></span></td><td> The module's copyright.
</td></tr><tr><td><span class="term">gchar *<i class="structfield"><tt>date</tt></i></span></td><td> The module's release date.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2549272"></a><h3><a name="GimpModuleState"></a>enum GimpModuleState</h3><a class="indexterm" name="id2549280"></a><pre class="programlisting">typedef enum
{
GIMP_MODULE_STATE_ERROR, /* missing gimp_module_register function
* or other error
*/
GIMP_MODULE_STATE_LOADED, /* an instance of a type implemented by
* this module is allocated
*/
GIMP_MODULE_STATE_LOAD_FAILED, /* gimp_module_register returned FALSE
*/
GIMP_MODULE_STATE_NOT_LOADED /* there are no instances allocated of
* types implemented by this module
*/
} GimpModuleState;
</pre><p>
The possible states a <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> can be in.
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><tt class="literal">GIMP_MODULE_STATE_ERROR</tt></span></td><td> Missing <tt class="function">gimp_module_register()</tt> function
or other error.
</td></tr><tr><td><span class="term"><tt class="literal">GIMP_MODULE_STATE_LOADED</tt></span></td><td> An instance of a type implemented by
this module is allocated.
</td></tr><tr><td><span class="term"><tt class="literal">GIMP_MODULE_STATE_LOAD_FAILED</tt></span></td><td><tt class="function">gimp_module_register()</tt> returned <span class="type">FALSE</span>.
</td></tr><tr><td><span class="term"><tt class="literal">GIMP_MODULE_STATE_NOT_LOADED</tt></span></td><td> There are no instances allocated of
types implemented by this module.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2549357"></a><h3><a name="GimpModuleQueryFunc"></a>GimpModuleQueryFunc ()</h3><a class="indexterm" name="id2549365"></a><pre class="programlisting">const <a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a>* (*GimpModuleQueryFunc)
(GTypeModule *module);</pre><p>
The signature of the query function a loadable GIMP module must
implement. In the module, the function must be called
<tt class="function">gimp_module_query()</tt>.
</p><p>
<a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> will copy the returned <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a> struct, so the
module doesn't need to keep these values around (however in most cases
the module will just return a pointer to a constant structure).
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>module</tt></i>:</span></td><td> The <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> responsible for this loadable module.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>The <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a> struct describing the module.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2466922"></a><h3><a name="GimpModuleRegisterFunc"></a>GimpModuleRegisterFunc ()</h3><a class="indexterm" name="id2466930"></a><pre class="programlisting">gboolean (*GimpModuleRegisterFunc) (GTypeModule *module);</pre><p>
The signature of the register function a loadable GIMP module must
implement. In the module, the function must be called
<tt class="function">gimp_module_register()</tt>.
</p><p>
When this function is called, the module should register all the types
it implements with the passed <i class="parameter"><tt>module</tt></i>.
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>module</tt></i>:</span></td><td> The <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> responsible for this loadable module.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td><span class="type">TRUE</span> on success, <span class="type">FALSE</span> otherwise.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2467007"></a><h3><a name="GIMP-MODULE-ABI-VERSION-CAPS"></a>GIMP_MODULE_ABI_VERSION</h3><a class="indexterm" name="id2467015"></a><pre class="programlisting">#define GIMP_MODULE_ABI_VERSION 0x0004
</pre><p>
The version of the module system's ABI. Modules put this value into
<a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a>'s <i class="parameter"><tt>abi_version</tt></i> field so the code loading the modules
can check if it was compiled against the same module ABI the modules
are compiled against.
</p></div><hr><div class="refsect2" lang="en"><a name="id2467038"></a><h3><a name="GIMP-MODULE-PARAM-SERIALIZE-CAPS"></a>GIMP_MODULE_PARAM_SERIALIZE</h3><a class="indexterm" name="id2467046"></a><pre class="programlisting">#define GIMP_MODULE_PARAM_SERIALIZE (1 << (0 + G_PARAM_USER_SHIFT))
</pre><p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2467057"></a><h3><a name="gimp-module-new"></a>gimp_module_new ()</h3><a class="indexterm" name="id2467065"></a><pre class="programlisting"><a href="GimpModule.html" title="GimpModule">GimpModule</a>* gimp_module_new (const gchar *filename,
gboolean load_inhibit,
gboolean verbose);</pre><p>
Creates a new <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> instance.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>filename</tt></i>:</span></td><td> The filename of a loadable module.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>load_inhibit</tt></i>:</span></td><td> Pass <tt class="literal">TRUE</tt> to exclude this module from auto-loading.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>verbose</tt></i>:</span></td><td> Pass <tt class="literal">TRUE</tt> to enable debugging output.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> The new <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> object.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2580944"></a><h3><a name="gimp-module-modified"></a>gimp_module_modified ()</h3><a class="indexterm" name="id2580952"></a><pre class="programlisting">void gimp_module_modified (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *module);</pre><p>
Emits the "modified" signal. Call it whenever you have modified the module
manually (which you shouldn't do).</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>module</tt></i>:</span></td><td> A <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a>.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2580998"></a><h3><a name="gimp-module-query-module"></a>gimp_module_query_module ()</h3><a class="indexterm" name="id2581006"></a><pre class="programlisting">gboolean gimp_module_query_module (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *module);</pre><p>
Queries the module without actually registering any of the types it
may implement. After successful query, the <i class="parameter"><tt>info</tt></i> field of the
<a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a> struct will be available for further inspection.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>module</tt></i>:</span></td><td> A <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a>.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> <tt class="literal">TRUE</tt> on success.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2581074"></a><h3><a name="gimp-module-set-load-inhibit"></a>gimp_module_set_load_inhibit ()</h3><a class="indexterm" name="id2581083"></a><pre class="programlisting">void gimp_module_set_load_inhibit (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *module,
gboolean load_inhibit);</pre><p>
Sets the <i class="parameter"><tt>load_inhibit</tt></i> property if the module. Emits "modified".</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>module</tt></i>:</span></td><td> A <a href="GimpModule.html" title="GimpModule"><span class="type">GimpModule</span></a>.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>load_inhibit</tt></i>:</span></td><td> Pass <tt class="literal">TRUE</tt> to exclude this module from auto-loading.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2581149"></a><h3><a name="gimp-module-state-name"></a>gimp_module_state_name ()</h3><a class="indexterm" name="id2581158"></a><pre class="programlisting">const gchar* gimp_module_state_name (<a href="GimpModule.html#GimpModuleState">GimpModuleState</a> state);</pre><p>
Returns the translated textual representation of a <a href="GimpModule.html#GimpModuleState"><span class="type">GimpModuleState</span></a>.
The returned string must not be freed.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>state</tt></i>:</span></td><td> A <a href="GimpModule.html#GimpModuleState"><span class="type">GimpModuleState</span></a>.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> The <i class="parameter"><tt>state</tt></i>'s name.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2581222"></a><h3><a name="gimp-module-register-enum"></a>gimp_module_register_enum ()</h3><a class="indexterm" name="id2581231"></a><pre class="programlisting">GType gimp_module_register_enum (GTypeModule *module,
const gchar *name,
const GEnumValue *const_static_values);</pre><p>
Registers an enum similar to <tt class="function">g_enum_register_static()</tt> but for
modules. This function should actually live in GLib but since
there's no such API, it is provided here.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>module</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>name</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><i class="parameter"><tt>const_static_values</tt></i>:</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> a new enum <span class="type">GType</span>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2581326"></a><h3><a name="gimp-module-info-new"></a>gimp_module_info_new ()</h3><a class="indexterm" name="id2581334"></a><pre class="programlisting"><a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a>* gimp_module_info_new (guint32 abi_version,
const gchar *purpose,
const gchar *author,
const gchar *version,
const gchar *copyright,
const gchar *date);</pre><p>
Creates a newly allocated <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a> struct.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>abi_version</tt></i>:</span></td><td> The <a href="GimpModule.html#GIMP-MODULE-ABI-VERSION-CAPS"><span class="type">GIMP_MODULE_ABI_VERSION</span></a> the module was compiled against.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>purpose</tt></i>:</span></td><td> The module's general purpose.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>author</tt></i>:</span></td><td> The module's author.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>version</tt></i>:</span></td><td> The module's version.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>copyright</tt></i>:</span></td><td> The module's copyright.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>date</tt></i>:</span></td><td> The module's release date.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> The new <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a> struct.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2581485"></a><h3><a name="gimp-module-info-copy"></a>gimp_module_info_copy ()</h3><a class="indexterm" name="id2581493"></a><pre class="programlisting"><a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a>* gimp_module_info_copy (const <a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a> *info);</pre><p>
Copies a <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a> struct.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>info</tt></i>:</span></td><td> The <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a> struct to copy.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td> The new copy.
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2581552"></a><h3><a name="gimp-module-info-free"></a>gimp_module_info_free ()</h3><a class="indexterm" name="id2581561"></a><pre class="programlisting">void gimp_module_info_free (<a href="GimpModule.html#GimpModuleInfo">GimpModuleInfo</a> *info);</pre><p>
Frees the passed <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a>.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>info</tt></i>:</span></td><td> The <a href="GimpModule.html#GimpModuleInfo"><span class="type">GimpModuleInfo</span></a> struct to free
</td></tr></tbody></table></div></div></div><div class="refsect1" lang="en"><a name="id2581611"></a><h2>Signals</h2><div class="refsect2" lang="en"><a name="id2581616"></a><h3><a name="GimpModule-modified"></a>The "modified" signal</h3><pre class="programlisting">void user_function (<a href="GimpModule.html" title="GimpModule">GimpModule</a> *gimpmodule,
gpointer user_data);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>gimpmodule</tt></i>:</span></td><td>the object which received the signal.
</td></tr><tr><td><span class="term"><i class="parameter"><tt>user_data</tt></i>:</span></td><td>user data set when the signal handler was connected.</td></tr></tbody></table></div></div></div><div class="refsect1" lang="en"><a name="id2581673"></a><h2>See Also</h2><p>
<span class="type">GModule</span>
</p><p>
<span class="type">GTypeModule</span>
</p></div></div><table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libgimpmodule.html"><b><<PartI.GIMP Module Library</b></a></td><td align="right"><a accesskey="n" href="GimpModuleDB.html"><b>GimpModuleDB>></b></a></td></tr></table></body></html>
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