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// Generated by jextract

package org.purejava.appindicator;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct _GtkActionClass {
 *     GObjectClass parent_class;
 *     void (*activate)(GtkAction *);
 *     GType menu_item_type;
 *     GType toolbar_item_type;
 *     GtkWidget *(*create_menu_item)(GtkAction *);
 *     GtkWidget *(*create_tool_item)(GtkAction *);
 *     void (*connect_proxy)(GtkAction *, GtkWidget *);
 *     void (*disconnect_proxy)(GtkAction *, GtkWidget *);
 *     GtkWidget *(*create_menu)(GtkAction *);
 *     void (*_gtk_reserved1)(void);
 *     void (*_gtk_reserved2)(void);
 *     void (*_gtk_reserved3)(void);
 *     void (*_gtk_reserved4)(void);
 * }
 * }
 */
public class _GtkActionClass {

    _GtkActionClass() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        _GObjectClass.layout().withName("parent_class"),
        app_indicator_h.C_POINTER.withName("activate"),
        app_indicator_h.C_LONG.withName("menu_item_type"),
        app_indicator_h.C_LONG.withName("toolbar_item_type"),
        app_indicator_h.C_POINTER.withName("create_menu_item"),
        app_indicator_h.C_POINTER.withName("create_tool_item"),
        app_indicator_h.C_POINTER.withName("connect_proxy"),
        app_indicator_h.C_POINTER.withName("disconnect_proxy"),
        app_indicator_h.C_POINTER.withName("create_menu"),
        app_indicator_h.C_POINTER.withName("_gtk_reserved1"),
        app_indicator_h.C_POINTER.withName("_gtk_reserved2"),
        app_indicator_h.C_POINTER.withName("_gtk_reserved3"),
        app_indicator_h.C_POINTER.withName("_gtk_reserved4")
    ).withName("_GtkActionClass");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final GroupLayout parent_class$LAYOUT = (GroupLayout)$LAYOUT.select(groupElement("parent_class"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GObjectClass parent_class
     * }
     */
    public static final GroupLayout parent_class$layout() {
        return parent_class$LAYOUT;
    }

    private static final long parent_class$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GObjectClass parent_class
     * }
     */
    public static final long parent_class$offset() {
        return parent_class$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GObjectClass parent_class
     * }
     */
    public static MemorySegment parent_class(MemorySegment struct) {
        return struct.asSlice(parent_class$OFFSET, parent_class$LAYOUT.byteSize());
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GObjectClass parent_class
     * }
     */
    public static void parent_class(MemorySegment struct, MemorySegment fieldValue) {
        MemorySegment.copy(fieldValue, 0L, struct, parent_class$OFFSET, parent_class$LAYOUT.byteSize());
    }

    /**
     * {@snippet lang=c :
     * void (*activate)(GtkAction *)
     * }
     */
    public class activate {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply(MemorySegment _x0);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid(
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(activate.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(activate.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr,MemorySegment _x0) {
            try {
                 DOWN$MH.invokeExact(funcPtr, _x0);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout activate$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("activate"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*activate)(GtkAction *)
     * }
     */
    public static final AddressLayout activate$layout() {
        return activate$LAYOUT;
    }

    private static final long activate$OFFSET = 136;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*activate)(GtkAction *)
     * }
     */
    public static final long activate$offset() {
        return activate$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*activate)(GtkAction *)
     * }
     */
    public static MemorySegment activate(MemorySegment struct) {
        return struct.get(activate$LAYOUT, activate$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*activate)(GtkAction *)
     * }
     */
    public static void activate(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(activate$LAYOUT, activate$OFFSET, fieldValue);
    }

    private static final OfLong menu_item_type$LAYOUT = (OfLong)$LAYOUT.select(groupElement("menu_item_type"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GType menu_item_type
     * }
     */
    public static final OfLong menu_item_type$layout() {
        return menu_item_type$LAYOUT;
    }

    private static final long menu_item_type$OFFSET = 144;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GType menu_item_type
     * }
     */
    public static final long menu_item_type$offset() {
        return menu_item_type$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GType menu_item_type
     * }
     */
    public static long menu_item_type(MemorySegment struct) {
        return struct.get(menu_item_type$LAYOUT, menu_item_type$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GType menu_item_type
     * }
     */
    public static void menu_item_type(MemorySegment struct, long fieldValue) {
        struct.set(menu_item_type$LAYOUT, menu_item_type$OFFSET, fieldValue);
    }

    private static final OfLong toolbar_item_type$LAYOUT = (OfLong)$LAYOUT.select(groupElement("toolbar_item_type"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GType toolbar_item_type
     * }
     */
    public static final OfLong toolbar_item_type$layout() {
        return toolbar_item_type$LAYOUT;
    }

    private static final long toolbar_item_type$OFFSET = 152;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GType toolbar_item_type
     * }
     */
    public static final long toolbar_item_type$offset() {
        return toolbar_item_type$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GType toolbar_item_type
     * }
     */
    public static long toolbar_item_type(MemorySegment struct) {
        return struct.get(toolbar_item_type$LAYOUT, toolbar_item_type$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GType toolbar_item_type
     * }
     */
    public static void toolbar_item_type(MemorySegment struct, long fieldValue) {
        struct.set(toolbar_item_type$LAYOUT, toolbar_item_type$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * GtkWidget *(*create_menu_item)(GtkAction *)
     * }
     */
    public class create_menu_item {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            MemorySegment apply(MemorySegment _x0);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.of(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(create_menu_item.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(create_menu_item.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static MemorySegment invoke(MemorySegment funcPtr,MemorySegment _x0) {
            try {
                return (MemorySegment) DOWN$MH.invokeExact(funcPtr, _x0);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout create_menu_item$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("create_menu_item"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu_item)(GtkAction *)
     * }
     */
    public static final AddressLayout create_menu_item$layout() {
        return create_menu_item$LAYOUT;
    }

    private static final long create_menu_item$OFFSET = 160;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu_item)(GtkAction *)
     * }
     */
    public static final long create_menu_item$offset() {
        return create_menu_item$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu_item)(GtkAction *)
     * }
     */
    public static MemorySegment create_menu_item(MemorySegment struct) {
        return struct.get(create_menu_item$LAYOUT, create_menu_item$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu_item)(GtkAction *)
     * }
     */
    public static void create_menu_item(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(create_menu_item$LAYOUT, create_menu_item$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * GtkWidget *(*create_tool_item)(GtkAction *)
     * }
     */
    public class create_tool_item {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            MemorySegment apply(MemorySegment _x0);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.of(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(create_tool_item.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(create_tool_item.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static MemorySegment invoke(MemorySegment funcPtr,MemorySegment _x0) {
            try {
                return (MemorySegment) DOWN$MH.invokeExact(funcPtr, _x0);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout create_tool_item$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("create_tool_item"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_tool_item)(GtkAction *)
     * }
     */
    public static final AddressLayout create_tool_item$layout() {
        return create_tool_item$LAYOUT;
    }

    private static final long create_tool_item$OFFSET = 168;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_tool_item)(GtkAction *)
     * }
     */
    public static final long create_tool_item$offset() {
        return create_tool_item$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_tool_item)(GtkAction *)
     * }
     */
    public static MemorySegment create_tool_item(MemorySegment struct) {
        return struct.get(create_tool_item$LAYOUT, create_tool_item$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_tool_item)(GtkAction *)
     * }
     */
    public static void create_tool_item(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(create_tool_item$LAYOUT, create_tool_item$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * void (*connect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public class connect_proxy {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply(MemorySegment _x0, MemorySegment _x1);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(connect_proxy.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(connect_proxy.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr,MemorySegment _x0, MemorySegment _x1) {
            try {
                 DOWN$MH.invokeExact(funcPtr, _x0, _x1);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout connect_proxy$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("connect_proxy"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*connect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static final AddressLayout connect_proxy$layout() {
        return connect_proxy$LAYOUT;
    }

    private static final long connect_proxy$OFFSET = 176;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*connect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static final long connect_proxy$offset() {
        return connect_proxy$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*connect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static MemorySegment connect_proxy(MemorySegment struct) {
        return struct.get(connect_proxy$LAYOUT, connect_proxy$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*connect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static void connect_proxy(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(connect_proxy$LAYOUT, connect_proxy$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * void (*disconnect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public class disconnect_proxy {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply(MemorySegment _x0, MemorySegment _x1);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(disconnect_proxy.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(disconnect_proxy.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr,MemorySegment _x0, MemorySegment _x1) {
            try {
                 DOWN$MH.invokeExact(funcPtr, _x0, _x1);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout disconnect_proxy$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("disconnect_proxy"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*disconnect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static final AddressLayout disconnect_proxy$layout() {
        return disconnect_proxy$LAYOUT;
    }

    private static final long disconnect_proxy$OFFSET = 184;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*disconnect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static final long disconnect_proxy$offset() {
        return disconnect_proxy$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*disconnect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static MemorySegment disconnect_proxy(MemorySegment struct) {
        return struct.get(disconnect_proxy$LAYOUT, disconnect_proxy$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*disconnect_proxy)(GtkAction *, GtkWidget *)
     * }
     */
    public static void disconnect_proxy(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(disconnect_proxy$LAYOUT, disconnect_proxy$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * GtkWidget *(*create_menu)(GtkAction *)
     * }
     */
    public class create_menu {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            MemorySegment apply(MemorySegment _x0);
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.of(
            app_indicator_h.C_POINTER,
            app_indicator_h.C_POINTER
        );

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(create_menu.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(create_menu.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static MemorySegment invoke(MemorySegment funcPtr,MemorySegment _x0) {
            try {
                return (MemorySegment) DOWN$MH.invokeExact(funcPtr, _x0);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout create_menu$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("create_menu"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu)(GtkAction *)
     * }
     */
    public static final AddressLayout create_menu$layout() {
        return create_menu$LAYOUT;
    }

    private static final long create_menu$OFFSET = 192;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu)(GtkAction *)
     * }
     */
    public static final long create_menu$offset() {
        return create_menu$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu)(GtkAction *)
     * }
     */
    public static MemorySegment create_menu(MemorySegment struct) {
        return struct.get(create_menu$LAYOUT, create_menu$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * GtkWidget *(*create_menu)(GtkAction *)
     * }
     */
    public static void create_menu(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(create_menu$LAYOUT, create_menu$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * void (*_gtk_reserved1)(void)
     * }
     */
    public class _gtk_reserved1 {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply();
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid();

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(_gtk_reserved1.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(_gtk_reserved1.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr) {
            try {
                 DOWN$MH.invokeExact(funcPtr);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout _gtk_reserved1$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("_gtk_reserved1"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved1)(void)
     * }
     */
    public static final AddressLayout _gtk_reserved1$layout() {
        return _gtk_reserved1$LAYOUT;
    }

    private static final long _gtk_reserved1$OFFSET = 200;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved1)(void)
     * }
     */
    public static final long _gtk_reserved1$offset() {
        return _gtk_reserved1$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved1)(void)
     * }
     */
    public static MemorySegment _gtk_reserved1(MemorySegment struct) {
        return struct.get(_gtk_reserved1$LAYOUT, _gtk_reserved1$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved1)(void)
     * }
     */
    public static void _gtk_reserved1(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(_gtk_reserved1$LAYOUT, _gtk_reserved1$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * void (*_gtk_reserved2)(void)
     * }
     */
    public class _gtk_reserved2 {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply();
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid();

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(_gtk_reserved2.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(_gtk_reserved2.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr) {
            try {
                 DOWN$MH.invokeExact(funcPtr);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout _gtk_reserved2$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("_gtk_reserved2"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved2)(void)
     * }
     */
    public static final AddressLayout _gtk_reserved2$layout() {
        return _gtk_reserved2$LAYOUT;
    }

    private static final long _gtk_reserved2$OFFSET = 208;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved2)(void)
     * }
     */
    public static final long _gtk_reserved2$offset() {
        return _gtk_reserved2$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved2)(void)
     * }
     */
    public static MemorySegment _gtk_reserved2(MemorySegment struct) {
        return struct.get(_gtk_reserved2$LAYOUT, _gtk_reserved2$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved2)(void)
     * }
     */
    public static void _gtk_reserved2(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(_gtk_reserved2$LAYOUT, _gtk_reserved2$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * void (*_gtk_reserved3)(void)
     * }
     */
    public class _gtk_reserved3 {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply();
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid();

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(_gtk_reserved3.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(_gtk_reserved3.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr) {
            try {
                 DOWN$MH.invokeExact(funcPtr);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout _gtk_reserved3$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("_gtk_reserved3"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved3)(void)
     * }
     */
    public static final AddressLayout _gtk_reserved3$layout() {
        return _gtk_reserved3$LAYOUT;
    }

    private static final long _gtk_reserved3$OFFSET = 216;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved3)(void)
     * }
     */
    public static final long _gtk_reserved3$offset() {
        return _gtk_reserved3$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved3)(void)
     * }
     */
    public static MemorySegment _gtk_reserved3(MemorySegment struct) {
        return struct.get(_gtk_reserved3$LAYOUT, _gtk_reserved3$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved3)(void)
     * }
     */
    public static void _gtk_reserved3(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(_gtk_reserved3$LAYOUT, _gtk_reserved3$OFFSET, fieldValue);
    }

    /**
     * {@snippet lang=c :
     * void (*_gtk_reserved4)(void)
     * }
     */
    public class _gtk_reserved4 {

        /**
         * The function pointer signature, expressed as a functional interface
         */
        public interface Function {
            void apply();
        }

        private static final FunctionDescriptor $DESC = FunctionDescriptor.ofVoid();

        /**
         * The descriptor of this function pointer
         */
        public static FunctionDescriptor descriptor() {
            return $DESC;
        }

        private static final MethodHandle UP$MH = app_indicator_h.upcallHandle(_gtk_reserved4.Function.class, "apply", $DESC);

        /**
         * Allocates a new upcall stub, whose implementation is defined by {@code fi}.
         * The lifetime of the returned segment is managed by {@code arena}
         */
        public static MemorySegment allocate(_gtk_reserved4.Function fi, Arena arena) {
            return Linker.nativeLinker().upcallStub(UP$MH.bindTo(fi), $DESC, arena);
        }

        private static final MethodHandle DOWN$MH = Linker.nativeLinker().downcallHandle($DESC);

        /**
         * Invoke the upcall stub {@code funcPtr}, with given parameters
         */
        public static void invoke(MemorySegment funcPtr) {
            try {
                 DOWN$MH.invokeExact(funcPtr);
            } catch (Throwable ex$) {
                throw new AssertionError("should not reach here", ex$);
            }
        }
    }

    private static final AddressLayout _gtk_reserved4$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("_gtk_reserved4"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved4)(void)
     * }
     */
    public static final AddressLayout _gtk_reserved4$layout() {
        return _gtk_reserved4$LAYOUT;
    }

    private static final long _gtk_reserved4$OFFSET = 224;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved4)(void)
     * }
     */
    public static final long _gtk_reserved4$offset() {
        return _gtk_reserved4$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved4)(void)
     * }
     */
    public static MemorySegment _gtk_reserved4(MemorySegment struct) {
        return struct.get(_gtk_reserved4$LAYOUT, _gtk_reserved4$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * void (*_gtk_reserved4)(void)
     * }
     */
    public static void _gtk_reserved4(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(_gtk_reserved4$LAYOUT, _gtk_reserved4$OFFSET, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction) (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}





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