Package net.minecraft.nbt

Class NbtCompound

java.lang.Object

net.minecraft.nbt.NbtCompound

All Implemented Interfaces:

NbtElement

public final class NbtCompound
extends Object
implements NbtElement

Represents an NBT compound object. This mutable object holds unordered key-value pairs with distinct case-sensitive string keys. This can effectively be used like a HashMap<String, NbtElement>. Note that this does not implement Map. Its type is 0xa.

There are two ways to use this compound; one is to create NBT instances yourself and use get(String) or put(String, NbtElement). Manual casting is required in this case. The other, easier way is to use methods with type names, such as getInt(String) or putInt(String, int). Where applicable, these methods return and accept Java types (e.g. int, long[]) instead of NbtElement subclasses. Note that there is no putCompound method, since you can just use the put method. These getters also have the advantage of providing type safety, because if type mismatch occurs or there is no such element in the compound, it returns the default value for that type instead of throwing or returning null.

Mappings:

Namespace	Name
named	net/minecraft/nbt/NbtCompound
intermediary	net/minecraft/class_2487
official	ua

Field Summary

Fields

Modifier and Type	Field	Description
static final com.mojang.serialization.Codec<NbtCompound>	CODEC
private final Map<String,NbtElement>	entries
private static final int	field_41719
private static final Logger	LOGGER
private static final int	SIZE
static final NbtType<NbtCompound>	TYPE

Fields inherited from interface net.minecraft.nbt.NbtElement

BYTE_ARRAY_TYPE, BYTE_TYPE, COMPOUND_TYPE, DOUBLE_TYPE, END_TYPE, field_33246, field_33247, field_33248, field_33249, FLOAT_TYPE, INT_ARRAY_TYPE, INT_TYPE, LIST_TYPE, LONG_ARRAY_TYPE, LONG_TYPE, MAX_DEPTH, SHORT_TYPE, STRING_TYPE

Constructor Summary

Constructors

Constructor	Description
NbtCompound()
NbtCompound(Map<String,NbtElement> entries)

Method Summary

Modifier and Type	Method	Description
void	accept(NbtElementVisitor visitor)
Optional<NbtCompound>	asCompound()
boolean	contains(String key)	Determines whether the NBT compound object contains the specified key.
NbtCompound	copy()	Returns an NBT element of equal value that won't change with this element.
NbtCompound	copyFrom(NbtCompound source)	Merges the entries of source to this compound.
<T> void	copyFromCodec(com.mojang.serialization.MapCodec<T> codec, com.mojang.serialization.DynamicOps<NbtElement> ops, T value)
<T> void	copyFromCodec(com.mojang.serialization.MapCodec<T> codec, T value)
<T> Optional<T>	decode(com.mojang.serialization.MapCodec<T> codec)
<T> Optional<T>	decode(com.mojang.serialization.MapCodec<T> codec, com.mojang.serialization.DynamicOps<NbtElement> ops)
NbtScanner.Result	doAccept(NbtScanner visitor)
Set<Map.Entry<String,NbtElement>>	entrySet()
boolean	equals(Object o)
void	forEach(BiConsumer<String,NbtElement> entryConsumer)
@Nullable NbtElement	get(String key)	Returns the element associated with the key from this compound, or null if there is none.
<T> Optional<T>	get(String key, com.mojang.serialization.Codec<T> codec)
<T> Optional<T>	get(String key, com.mojang.serialization.Codec<T> codec, com.mojang.serialization.DynamicOps<NbtElement> ops)
Optional<Boolean>	getBoolean(String key)	Returns the boolean value stored with the key.
boolean	getBoolean(String key, boolean fallback)
Optional<Byte>	getByte(String key)	Returns the byte associated with key, or 0 if there is no number stored with the key.
byte	getByte(String key, byte fallback)	Returns the byte associated with key, or fallback if there is no number stored with the key.
Optional<byte[]>	getByteArray(String key)	Returns the byte array associated with key, or an empty byte array if there is no byte array stored with the key.
Optional<NbtCompound>	getCompound(String key)	Returns the compound associated with key, or an empty compound if there is no compound stored with the key.
NbtCompound	getCompoundOrEmpty(String key)
Optional<Double>	getDouble(String key)	Returns the double associated with key, or 0.0 if there is no number stored with the key.
double	getDouble(String key, double fallback)	Returns the double associated with key, or fallback if there is no number stored with the key.
Optional<Float>	getFloat(String key)	Returns the float associated with key, or 0.0f if there is no number stored with the key.
float	getFloat(String key, float fallback)	Returns the float associated with key, or fallback if there is no number stored with the key.
Optional<Integer>	getInt(String key)	Returns the int associated with key, or 0 if there is no number stored with the key.
int	getInt(String key, int fallback)	Returns the int associated with key, or fallback if there is no number stored with the key.
Optional<int[]>	getIntArray(String key)	Returns the int array associated with key, or an empty int array if there is no int array stored with the key.
Set<String>	getKeys()	Returns the set of keys in this compound.
Optional<NbtList>	getList(String key)	Returns the list associated with key, or an empty list if there is no list stored with the key and the type.
NbtList	getListOrEmpty(String key)
Optional<Long>	getLong(String key)	Returns the long associated with key, or 0L if there is no number stored with the key.
long	getLong(String key, long fallback)	Returns the long associated with key, or fallback if there is no number stored with the key.
Optional<long[]>	getLongArray(String key)	Returns the long array associated with key, or an empty long array if there is no long array stored with the key.
NbtType<NbtCompound>	getNbtType()	Returns the NBT type definition of this NBT element.
private Optional<NbtElement>	getOptional(String key)
Optional<Short>	getShort(String key)	Returns the short associated with key, or 0 if there is no number stored with the key.
short	getShort(String key, short fallback)	Returns the short associated with key, or fallback if there is no number stored with the key.
int	getSize()	Returns the size of this compound.
int	getSizeInBytes()
Optional<String>	getString(String key)	Returns the String associated with key, or an empty string if there is no string stored with the key.
String	getString(String key, String fallback)	Returns the String associated with key, or fallback if there is no string stored with the key.
byte	getType()	Returns the type of this NBT element.
int	hashCode()
boolean	isEmpty()	Returns whether the compound has no entries.
<T> void	put(String key, com.mojang.serialization.Codec<T> codec, com.mojang.serialization.DynamicOps<NbtElement> ops, T value)
<T> void	put(String key, com.mojang.serialization.Codec<T> codec, T value)
@Nullable NbtElement	put(String key, NbtElement element)	Puts an element to this compound.
void	putBoolean(String key, boolean value)	Puts a boolean to this compound.
void	putByte(String key, byte value)	Puts a byte to this compound.
void	putByteArray(String key, byte[] value)	Puts a byte array to this compound.
void	putDouble(String key, double value)	Puts a double to this compound.
void	putFloat(String key, float value)	Puts a float to this compound.
void	putInt(String key, int value)	Puts an int to this compound.
void	putIntArray(String key, int[] value)	Puts an int array to this compound.
void	putLong(String key, long value)	Puts a long to this compound.
void	putLongArray(String key, long[] value)	Puts a long array to this compound.
<T> void	putNullable(String key, com.mojang.serialization.Codec<T> codec, com.mojang.serialization.DynamicOps<NbtElement> ops, T value)
<T> void	putNullable(String key, com.mojang.serialization.Codec<T> codec, T value)
void	putShort(String key, short value)	Puts a short to this compound.
void	putString(String key, String value)	Puts a String to this compound.
(package private) static NbtElement	read(NbtType<?> reader, String key, DataInput input, NbtSizeTracker tracker)
void	remove(String key)	Removes the entry with the specified key.
protected NbtCompound	shallowCopy()
String	toString()
Collection<NbtElement>	values()
void	write(DataOutput output)	Writes the NBT element to output.
private static void	write(String key, NbtElement element, DataOutput output)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface net.minecraft.nbt.NbtElement

accept, asBoolean, asByte, asByteArray, asDouble, asFloat, asInt, asIntArray, asLong, asLongArray, asNbtList, asNumber, asShort, asString

Field Details

LOGGER

private static final Logger LOGGER

Mappings:

Namespace	Name	Mixin selector
named	LOGGER	Lnet/minecraft/nbt/NbtCompound;LOGGER:Lorg/slf4j/Logger;
intermediary	field_56522	Lnet/minecraft/class_2487;field_56522:Lorg/slf4j/Logger;
official	c	Lua;c:Lorg/slf4j/Logger;

CODEC

public static final com.mojang.serialization.Codec<NbtCompound> CODEC

Mappings:

Namespace	Name	Mixin selector
named	CODEC	Lnet/minecraft/nbt/NbtCompound;CODEC:Lcom/mojang/serialization/Codec;
intermediary	field_25128	Lnet/minecraft/class_2487;field_25128:Lcom/mojang/serialization/Codec;
official	a	Lua;a:Lcom/mojang/serialization/Codec;

SIZE

private static final int SIZE

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
named	SIZE	Lnet/minecraft/nbt/NbtCompound;SIZE:I
intermediary	field_41718	Lnet/minecraft/class_2487;field_41718:I
official	v	Lua;v:I

field_41719

private static final int field_41719

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
named	field_41719	Lnet/minecraft/nbt/NbtCompound;field_41719:I
intermediary	field_41719	Lnet/minecraft/class_2487;field_41719:I
official	w	Lua;w:I

TYPE

public static final NbtType<NbtCompound> TYPE

Mappings:

Namespace	Name	Mixin selector
named	TYPE	Lnet/minecraft/nbt/NbtCompound;TYPE:Lnet/minecraft/nbt/NbtType;
intermediary	field_21029	Lnet/minecraft/class_2487;field_21029:Lnet/minecraft/class_4614;
official	b	Lua;b:Lvc;

entries

private final Map<String,NbtElement> entries

Mappings:

Namespace	Name	Mixin selector
named	entries	Lnet/minecraft/nbt/NbtCompound;entries:Ljava/util/Map;
intermediary	field_11515	Lnet/minecraft/class_2487;field_11515:Ljava/util/Map;
official	x	Lua;x:Ljava/util/Map;

Constructor Details

NbtCompound

NbtCompound(Map<String,NbtElement> entries)

Mappings:

Namespace	Name	Mixin selector
named	<init>	Lnet/minecraft/nbt/NbtCompound;<init>(Ljava/util/Map;)V
intermediary	<init>	Lnet/minecraft/class_2487;<init>(Ljava/util/Map;)V
official	<init>	Lua;<init>(Ljava/util/Map;)V

NbtCompound

public NbtCompound()

Method Details

write

public void write(DataOutput output)
           throws IOException

Writes the NBT element to output.

Specified by:

write in interface NbtElement

Throws:

IOException

API Note:

This is a low-level method for serializing NBT elements; consider using NbtIo, NbtOps, or PacketByteBuf.writeNbt(net.minecraft.nbt.NbtElement) instead.

Mappings:

Namespace	Name	Mixin selector
named	write	Lnet/minecraft/nbt/NbtElement;write(Ljava/io/DataOutput;)V
intermediary	method_10713	Lnet/minecraft/class_2520;method_10713(Ljava/io/DataOutput;)V
official	a	Lva;a(Ljava/io/DataOutput;)V

getSizeInBytes

public int getSizeInBytes()

Specified by:

getSizeInBytes in interface NbtElement

Mappings:

Namespace	Name	Mixin selector
named	getSizeInBytes	Lnet/minecraft/nbt/NbtElement;getSizeInBytes()I
intermediary	method_47988	Lnet/minecraft/class_2520;method_47988()I
official	a	Lva;a()I

getKeys

public Set<String> getKeys()

Returns the set of keys in this compound.

Returns:

the set of keys in this compound

Mappings:

Namespace	Name	Mixin selector
named	getKeys	Lnet/minecraft/nbt/NbtCompound;getKeys()Ljava/util/Set;
intermediary	method_10541	Lnet/minecraft/class_2487;method_10541()Ljava/util/Set;
official	e	Lua;e()Ljava/util/Set;

entrySet

public Set<Map.Entry<String,NbtElement>> entrySet()

Mappings:

Namespace	Name	Mixin selector
named	entrySet	Lnet/minecraft/nbt/NbtCompound;entrySet()Ljava/util/Set;
intermediary	method_59874	Lnet/minecraft/class_2487;method_59874()Ljava/util/Set;
official	g	Lua;g()Ljava/util/Set;

values

public Collection<NbtElement> values()

Mappings:

Namespace	Name	Mixin selector
named	values	Lnet/minecraft/nbt/NbtCompound;values()Ljava/util/Collection;
intermediary	method_68567	Lnet/minecraft/class_2487;method_68567()Ljava/util/Collection;
official	h	Lua;h()Ljava/util/Collection;

forEach

public void forEach(BiConsumer<String,NbtElement> entryConsumer)

Mappings:

Namespace	Name	Mixin selector
named	forEach	Lnet/minecraft/nbt/NbtCompound;forEach(Ljava/util/function/BiConsumer;)V
intermediary	method_68561	Lnet/minecraft/class_2487;method_68561(Ljava/util/function/BiConsumer;)V
official	a	Lua;a(Ljava/util/function/BiConsumer;)V

getType

public byte getType()

Returns the type of this NBT element.

Specified by:

getType in interface NbtElement

Returns:

the type of this NBT element

Mappings:

Namespace	Name	Mixin selector
named	getType	Lnet/minecraft/nbt/NbtElement;getType()B
intermediary	method_10711	Lnet/minecraft/class_2520;method_10711()B
official	b	Lva;b()B

getNbtType

public NbtType<NbtCompound> getNbtType()

Returns the NBT type definition of this NBT element.

Specified by:

getNbtType in interface NbtElement

Returns:

the NBT type definition of this NBT element

Mappings:

Namespace	Name	Mixin selector
named	getNbtType	Lnet/minecraft/nbt/NbtElement;getNbtType()Lnet/minecraft/nbt/NbtType;
intermediary	method_23258	Lnet/minecraft/class_2520;method_23258()Lnet/minecraft/class_4614;
official	c	Lva;c()Lvc;

getSize

public int getSize()

Returns the size of this compound.

Returns:

the size of this compound

Mappings:

Namespace	Name	Mixin selector
named	getSize	Lnet/minecraft/nbt/NbtCompound;getSize()I
intermediary	method_10546	Lnet/minecraft/class_2487;method_10546()I
official	i	Lua;i()I

put

@Nullable
public @Nullable NbtElement put(String key,
 NbtElement element)

Puts an element to this compound.

Returns:

the previous value, or null if there was none

See Also:

• get(String)

Mappings:

Namespace	Name	Mixin selector
named	put	Lnet/minecraft/nbt/NbtCompound;put(Ljava/lang/String;Lnet/minecraft/nbt/NbtElement;)Lnet/minecraft/nbt/NbtElement;
intermediary	method_10566	Lnet/minecraft/class_2487;method_10566(Ljava/lang/String;Lnet/minecraft/class_2520;)Lnet/minecraft/class_2520;
official	a	Lua;a(Ljava/lang/String;Lva;)Lva;

putByte

public void putByte(String key,
 byte value)

Puts a byte to this compound.

See Also:

• getByte(String)

Mappings:

Namespace	Name	Mixin selector
named	putByte	Lnet/minecraft/nbt/NbtCompound;putByte(Ljava/lang/String;B)V
intermediary	method_10567	Lnet/minecraft/class_2487;method_10567(Ljava/lang/String;B)V
official	a	Lua;a(Ljava/lang/String;B)V

putShort

public void putShort(String key,
 short value)

Puts a short to this compound.

See Also:

• getShort(String)

Mappings:

Namespace	Name	Mixin selector
named	putShort	Lnet/minecraft/nbt/NbtCompound;putShort(Ljava/lang/String;S)V
intermediary	method_10575	Lnet/minecraft/class_2487;method_10575(Ljava/lang/String;S)V
official	a	Lua;a(Ljava/lang/String;S)V

putInt

public void putInt(String key,
 int value)

Puts an int to this compound.

See Also:

• getInt(String)

Mappings:

Namespace	Name	Mixin selector
named	putInt	Lnet/minecraft/nbt/NbtCompound;putInt(Ljava/lang/String;I)V
intermediary	method_10569	Lnet/minecraft/class_2487;method_10569(Ljava/lang/String;I)V
official	a	Lua;a(Ljava/lang/String;I)V

putLong

public void putLong(String key,
 long value)

Puts a long to this compound.

See Also:

• getLong(String)

Mappings:

Namespace	Name	Mixin selector
named	putLong	Lnet/minecraft/nbt/NbtCompound;putLong(Ljava/lang/String;J)V
intermediary	method_10544	Lnet/minecraft/class_2487;method_10544(Ljava/lang/String;J)V
official	a	Lua;a(Ljava/lang/String;J)V

putFloat

public void putFloat(String key,
 float value)

Puts a float to this compound.

See Also:

• getFloat(String)

Mappings:

Namespace	Name	Mixin selector
named	putFloat	Lnet/minecraft/nbt/NbtCompound;putFloat(Ljava/lang/String;F)V
intermediary	method_10548	Lnet/minecraft/class_2487;method_10548(Ljava/lang/String;F)V
official	a	Lua;a(Ljava/lang/String;F)V

putDouble

public void putDouble(String key,
 double value)

Puts a double to this compound.

See Also:

• getDouble(String)

Mappings:

Namespace	Name	Mixin selector
named	putDouble	Lnet/minecraft/nbt/NbtCompound;putDouble(Ljava/lang/String;D)V
intermediary	method_10549	Lnet/minecraft/class_2487;method_10549(Ljava/lang/String;D)V
official	a	Lua;a(Ljava/lang/String;D)V

putString

public void putString(String key,
 String value)

Puts a String to this compound.

See Also:

• getString(String)

Mappings:

Namespace	Name	Mixin selector
named	putString	Lnet/minecraft/nbt/NbtCompound;putString(Ljava/lang/String;Ljava/lang/String;)V
intermediary	method_10582	Lnet/minecraft/class_2487;method_10582(Ljava/lang/String;Ljava/lang/String;)V
official	a	Lua;a(Ljava/lang/String;Ljava/lang/String;)V

putByteArray

public void putByteArray(String key,
 byte[] value)

Puts a byte array to this compound. This does not copy the array.

See Also:

• getByteArray(String)
• putByteArray(String, List)

Mappings:

Namespace	Name	Mixin selector
named	putByteArray	Lnet/minecraft/nbt/NbtCompound;putByteArray(Ljava/lang/String;[B)V
intermediary	method_10570	Lnet/minecraft/class_2487;method_10570(Ljava/lang/String;[B)V
official	a	Lua;a(Ljava/lang/String;[B)V

putIntArray

public void putIntArray(String key,
 int[] value)

Puts an int array to this compound. This does not copy the array.

See Also:

• getIntArray(String)
• putIntArray(String, List)

Mappings:

Namespace	Name	Mixin selector
named	putIntArray	Lnet/minecraft/nbt/NbtCompound;putIntArray(Ljava/lang/String;[I)V
intermediary	method_10539	Lnet/minecraft/class_2487;method_10539(Ljava/lang/String;[I)V
official	a	Lua;a(Ljava/lang/String;[I)V

putLongArray

public void putLongArray(String key,
 long[] value)

Puts a long array to this compound. This does not copy the array.

See Also:

• getLongArray(String)
• putLongArray(String, List)

Mappings:

Namespace	Name	Mixin selector
named	putLongArray	Lnet/minecraft/nbt/NbtCompound;putLongArray(Ljava/lang/String;[J)V
intermediary	method_10564	Lnet/minecraft/class_2487;method_10564(Ljava/lang/String;[J)V
official	a	Lua;a(Ljava/lang/String;[J)V

putBoolean

public void putBoolean(String key,
 boolean value)

Puts a boolean to this compound. The value is stored as NbtByte.

See Also:

• getBoolean(String)

Mappings:

Namespace	Name	Mixin selector
named	putBoolean	Lnet/minecraft/nbt/NbtCompound;putBoolean(Ljava/lang/String;Z)V
intermediary	method_10556	Lnet/minecraft/class_2487;method_10556(Ljava/lang/String;Z)V
official	a	Lua;a(Ljava/lang/String;Z)V

get

@Nullable
public @Nullable NbtElement get(String key)

Returns the element associated with the key from this compound, or null if there is none.

Returns:

the element associated with the key from this compound, or null if there is none

See Also:

• put(String, NbtElement)

API Note:

This method does not provide type safety; if the type is known, it is recommended to use other type-specific methods instead.

Mappings:

Namespace	Name	Mixin selector
named	get	Lnet/minecraft/nbt/NbtCompound;get(Ljava/lang/String;)Lnet/minecraft/nbt/NbtElement;
intermediary	method_10580	Lnet/minecraft/class_2487;method_10580(Ljava/lang/String;)Lnet/minecraft/class_2520;
official	a	Lua;a(Ljava/lang/String;)Lva;

contains

public boolean contains(String key)

Determines whether the NBT compound object contains the specified key.

Returns:

true if the key exists, else false

Mappings:

Namespace	Name	Mixin selector
named	contains	Lnet/minecraft/nbt/NbtCompound;contains(Ljava/lang/String;)Z
intermediary	method_10545	Lnet/minecraft/class_2487;method_10545(Ljava/lang/String;)Z
official	b	Lua;b(Ljava/lang/String;)Z

getOptional

private Optional<NbtElement> getOptional(String key)

Mappings:

Namespace	Name	Mixin selector
named	getOptional	Lnet/minecraft/nbt/NbtCompound;getOptional(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_68570	Lnet/minecraft/class_2487;method_68570(Ljava/lang/String;)Ljava/util/Optional;
official	s	Lua;s(Ljava/lang/String;)Ljava/util/Optional;

getByte

public Optional<Byte> getByte(String key)

Returns the byte associated with key, or 0 if there is no number stored with the key.

If a non-byte numeric value is stored, this will cast the value.

Returns:

the byte associated with key, or 0 if there is no number stored with the key

See Also:

• putByte(String, byte)
• AbstractNbtNumber.byteValue()

Mappings:

Namespace	Name	Mixin selector
named	getByte	Lnet/minecraft/nbt/NbtCompound;getByte(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10571	Lnet/minecraft/class_2487;method_10571(Ljava/lang/String;)Ljava/util/Optional;
official	c	Lua;c(Ljava/lang/String;)Ljava/util/Optional;

getByte

public byte getByte(String key,
 byte fallback)

Returns the byte associated with key, or fallback if there is no number stored with the key.

If a non-byte numeric value is stored, this will cast the value.

Returns:

the byte associated with key, or fallback if there is no number stored with the key

See Also:

• putByte(String, byte)
• AbstractNbtNumber.byteValue()

Mappings:

Namespace	Name	Mixin selector
named	getByte	Lnet/minecraft/nbt/NbtCompound;getByte(Ljava/lang/String;B)B
intermediary	method_68562	Lnet/minecraft/class_2487;method_68562(Ljava/lang/String;B)B
official	b	Lua;b(Ljava/lang/String;B)B

getShort

public Optional<Short> getShort(String key)

Returns the short associated with key, or 0 if there is no number stored with the key.

If a non-short numeric value is stored, this will cast the value.

Returns:

the short associated with key, or 0 if there is no number stored with the key

See Also:

• putShort(String, short)
• AbstractNbtNumber.shortValue()

Mappings:

Namespace	Name	Mixin selector
named	getShort	Lnet/minecraft/nbt/NbtCompound;getShort(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10568	Lnet/minecraft/class_2487;method_10568(Ljava/lang/String;)Ljava/util/Optional;
official	d	Lua;d(Ljava/lang/String;)Ljava/util/Optional;

getShort

public short getShort(String key,
 short fallback)

Returns the short associated with key, or fallback if there is no number stored with the key.

If a non-short numeric value is stored, this will cast the value.

Returns:

the short associated with key, or fallback if there is no number stored with the key

See Also:

• putShort(String, short)
• AbstractNbtNumber.shortValue()

Mappings:

Namespace	Name	Mixin selector
named	getShort	Lnet/minecraft/nbt/NbtCompound;getShort(Ljava/lang/String;S)S
intermediary	method_68565	Lnet/minecraft/class_2487;method_68565(Ljava/lang/String;S)S
official	b	Lua;b(Ljava/lang/String;S)S

getInt

public Optional<Integer> getInt(String key)

Returns the int associated with key, or 0 if there is no number stored with the key.

If a non-integer numeric value is stored, this will cast the value.

Returns:

the int associated with key, or 0 if there is no number stored with the key

See Also:

• putInt(String, int)
• AbstractNbtNumber.intValue()

Mappings:

Namespace	Name	Mixin selector
named	getInt	Lnet/minecraft/nbt/NbtCompound;getInt(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10550	Lnet/minecraft/class_2487;method_10550(Ljava/lang/String;)Ljava/util/Optional;
official	e	Lua;e(Ljava/lang/String;)Ljava/util/Optional;

getInt

public int getInt(String key,
 int fallback)

Returns the int associated with key, or fallback if there is no number stored with the key.

If a non-integer numeric value is stored, this will cast the value.

Returns:

the int associated with key, or fallback if there is no number stored with the key

See Also:

• putInt(String, int)
• AbstractNbtNumber.intValue()

Mappings:

Namespace	Name	Mixin selector
named	getInt	Lnet/minecraft/nbt/NbtCompound;getInt(Ljava/lang/String;I)I
intermediary	method_68083	Lnet/minecraft/class_2487;method_68083(Ljava/lang/String;I)I
official	b	Lua;b(Ljava/lang/String;I)I

getLong

public Optional<Long> getLong(String key)

Returns the long associated with key, or 0L if there is no number stored with the key.

If a non-long numeric value is stored, this will cast the value.

Returns:

the long associated with key, or 0L if there is no number stored with the key

See Also:

• putLong(String, long)
• AbstractNbtNumber.longValue()

Mappings:

Namespace	Name	Mixin selector
named	getLong	Lnet/minecraft/nbt/NbtCompound;getLong(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10537	Lnet/minecraft/class_2487;method_10537(Ljava/lang/String;)Ljava/util/Optional;
official	f	Lua;f(Ljava/lang/String;)Ljava/util/Optional;

getLong

public long getLong(String key,
 long fallback)

Returns the long associated with key, or fallback if there is no number stored with the key.

If a non-long numeric value is stored, this will cast the value.

Returns:

the long associated with key, or fallback if there is no number stored with the key

See Also:

• putLong(String, long)
• AbstractNbtNumber.longValue()

Mappings:

Namespace	Name	Mixin selector
named	getLong	Lnet/minecraft/nbt/NbtCompound;getLong(Ljava/lang/String;J)J
intermediary	method_68080	Lnet/minecraft/class_2487;method_68080(Ljava/lang/String;J)J
official	b	Lua;b(Ljava/lang/String;J)J

getFloat

public Optional<Float> getFloat(String key)

Returns the float associated with key, or 0.0f if there is no number stored with the key.

If a non-float numeric value is stored, this will cast the value.

Returns:

the float associated with key, or 0.0f if there is no number stored with the key

See Also:

• putFloat(String, float)
• AbstractNbtNumber.floatValue()

Mappings:

Namespace	Name	Mixin selector
named	getFloat	Lnet/minecraft/nbt/NbtCompound;getFloat(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10583	Lnet/minecraft/class_2487;method_10583(Ljava/lang/String;)Ljava/util/Optional;
official	g	Lua;g(Ljava/lang/String;)Ljava/util/Optional;

getFloat

public float getFloat(String key,
 float fallback)

Returns the float associated with key, or fallback if there is no number stored with the key.

If a non-float numeric value is stored, this will cast the value.

Returns:

the float associated with key, or fallback if there is no number stored with the key

See Also:

• putFloat(String, float)
• AbstractNbtNumber.floatValue()

Mappings:

Namespace	Name	Mixin selector
named	getFloat	Lnet/minecraft/nbt/NbtCompound;getFloat(Ljava/lang/String;F)F
intermediary	method_66563	Lnet/minecraft/class_2487;method_66563(Ljava/lang/String;F)F
official	b	Lua;b(Ljava/lang/String;F)F

getDouble

public Optional<Double> getDouble(String key)

Returns the double associated with key, or 0.0 if there is no number stored with the key.

If a non-double numeric value is stored, this will cast the value.

Returns:

the double associated with key, or 0.0 if there is no number stored with the key

See Also:

• putDouble(String, double)
• AbstractNbtNumber.doubleValue()

Mappings:

Namespace	Name	Mixin selector
named	getDouble	Lnet/minecraft/nbt/NbtCompound;getDouble(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10574	Lnet/minecraft/class_2487;method_10574(Ljava/lang/String;)Ljava/util/Optional;
official	h	Lua;h(Ljava/lang/String;)Ljava/util/Optional;

getDouble

public double getDouble(String key,
 double fallback)

Returns the double associated with key, or fallback if there is no number stored with the key.

If a non-double numeric value is stored, this will cast the value.

Returns:

the double associated with key, or fallback if there is no number stored with the key

See Also:

• putDouble(String, double)
• AbstractNbtNumber.doubleValue()

Mappings:

Namespace	Name	Mixin selector
named	getDouble	Lnet/minecraft/nbt/NbtCompound;getDouble(Ljava/lang/String;D)D
intermediary	method_68563	Lnet/minecraft/class_2487;method_68563(Ljava/lang/String;D)D
official	b	Lua;b(Ljava/lang/String;D)D

getString

public Optional<String> getString(String key)

Returns the String associated with key, or an empty string if there is no string stored with the key.

Returns:

the String associated with key, or an empty string if there is no string stored with the key

See Also:

• putString(String, String)
• NbtElement.asString()

Mappings:

Namespace	Name	Mixin selector
named	getString	Lnet/minecraft/nbt/NbtCompound;getString(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10558	Lnet/minecraft/class_2487;method_10558(Ljava/lang/String;)Ljava/util/Optional;
official	i	Lua;i(Ljava/lang/String;)Ljava/util/Optional;

getString

public String getString(String key,
 String fallback)

Returns the String associated with key, or fallback if there is no string stored with the key.

Returns:

the String associated with key, or fallback if there is no string stored with the key

See Also:

• putString(String, String)
• NbtElement.asString()

Mappings:

Namespace	Name	Mixin selector
named	getString	Lnet/minecraft/nbt/NbtCompound;getString(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
intermediary	method_68564	Lnet/minecraft/class_2487;method_68564(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
official	b	Lua;b(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

getByteArray

public Optional<byte[]> getByteArray(String key)

Returns the byte array associated with key, or an empty byte array if there is no byte array stored with the key.

Returns:

the byte array associated with key, or an empty byte array if there is no byte array stored with the key

See Also:

• putByteArray(String, byte[])
• NbtByteArray.getByteArray()

API Note:

Modifying the returned array also modifies the NBT byte array.

Mappings:

Namespace	Name	Mixin selector
named	getByteArray	Lnet/minecraft/nbt/NbtCompound;getByteArray(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10547	Lnet/minecraft/class_2487;method_10547(Ljava/lang/String;)Ljava/util/Optional;
official	j	Lua;j(Ljava/lang/String;)Ljava/util/Optional;

getIntArray

public Optional<int[]> getIntArray(String key)

Returns the int array associated with key, or an empty int array if there is no int array stored with the key.

Returns:

the int array associated with key, or an empty int array if there is no int array stored with the key

See Also:

• putIntArray(String, int[])
• NbtIntArray.getIntArray()

API Note:

Modifying the returned array also modifies the NBT int array.

Mappings:

Namespace	Name	Mixin selector
named	getIntArray	Lnet/minecraft/nbt/NbtCompound;getIntArray(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10561	Lnet/minecraft/class_2487;method_10561(Ljava/lang/String;)Ljava/util/Optional;
official	k	Lua;k(Ljava/lang/String;)Ljava/util/Optional;

getLongArray

public Optional<long[]> getLongArray(String key)

Returns the long array associated with key, or an empty long array if there is no long array stored with the key.

Returns:

the long array associated with key, or an empty long array if there is no long array stored with the key

See Also:

• putLongArray(String, long[])
• NbtLongArray.getLongArray()

API Note:

Modifying the returned array also modifies the NBT long array.

Mappings:

Namespace	Name	Mixin selector
named	getLongArray	Lnet/minecraft/nbt/NbtCompound;getLongArray(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10565	Lnet/minecraft/class_2487;method_10565(Ljava/lang/String;)Ljava/util/Optional;
official	l	Lua;l(Ljava/lang/String;)Ljava/util/Optional;

getCompound

public Optional<NbtCompound> getCompound(String key)

Returns the compound associated with key, or an empty compound if there is no compound stored with the key.

Returns:

the compound associated with key, or an empty compound if there is no compound stored with the key

See Also:

• put(String, NbtElement)

Mappings:

Namespace	Name	Mixin selector
named	getCompound	Lnet/minecraft/nbt/NbtCompound;getCompound(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10562	Lnet/minecraft/class_2487;method_10562(Ljava/lang/String;)Ljava/util/Optional;
official	m	Lua;m(Ljava/lang/String;)Ljava/util/Optional;

getCompoundOrEmpty

public NbtCompound getCompoundOrEmpty(String key)

Mappings:

Namespace	Name	Mixin selector
named	getCompoundOrEmpty	Lnet/minecraft/nbt/NbtCompound;getCompoundOrEmpty(Ljava/lang/String;)Lnet/minecraft/nbt/NbtCompound;
intermediary	method_68568	Lnet/minecraft/class_2487;method_68568(Ljava/lang/String;)Lnet/minecraft/class_2487;
official	n	Lua;n(Ljava/lang/String;)Lua;

getList

public Optional<NbtList> getList(String key)

Returns the list associated with key, or an empty list if there is no list stored with the key and the type.

Returns:

the list associated with key, or an empty list if there is no list stored with the key and the type

See Also:

• put(String, NbtElement)

Mappings:

Namespace	Name	Mixin selector
named	getList	Lnet/minecraft/nbt/NbtCompound;getList(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10554	Lnet/minecraft/class_2487;method_10554(Ljava/lang/String;)Ljava/util/Optional;
official	o	Lua;o(Ljava/lang/String;)Ljava/util/Optional;

getListOrEmpty

public NbtList getListOrEmpty(String key)

Mappings:

Namespace	Name	Mixin selector
named	getListOrEmpty	Lnet/minecraft/nbt/NbtCompound;getListOrEmpty(Ljava/lang/String;)Lnet/minecraft/nbt/NbtList;
intermediary	method_68569	Lnet/minecraft/class_2487;method_68569(Ljava/lang/String;)Lnet/minecraft/class_2499;
official	p	Lua;p(Ljava/lang/String;)Lug;

getBoolean

public Optional<Boolean> getBoolean(String key)

Returns the boolean value stored with the key.

Returns:

the boolean value stored with the key

Implementation Note:

Since NBT does not have a boolean type, NbtByte is used instead. This method returns true for any values which, after casting to byte as described at getByte(String), is not 0. Since all non-numeric values become 0 during casting to bytes, this method returns false for those as well. This includes values often considered truthy in other languages, such as a non-empty string or list.

Mappings:

Namespace	Name	Mixin selector
named	getBoolean	Lnet/minecraft/nbt/NbtCompound;getBoolean(Ljava/lang/String;)Ljava/util/Optional;
intermediary	method_10577	Lnet/minecraft/class_2487;method_10577(Ljava/lang/String;)Ljava/util/Optional;
official	q	Lua;q(Ljava/lang/String;)Ljava/util/Optional;

getBoolean

public boolean getBoolean(String key,
 boolean fallback)

Mappings:

Namespace	Name	Mixin selector
named	getBoolean	Lnet/minecraft/nbt/NbtCompound;getBoolean(Ljava/lang/String;Z)Z
intermediary	method_68566	Lnet/minecraft/class_2487;method_68566(Ljava/lang/String;Z)Z
official	b	Lua;b(Ljava/lang/String;Z)Z

remove

public void remove(String key)

Removes the entry with the specified key. Does nothing if there is none.

Mappings:

Namespace	Name	Mixin selector
named	remove	Lnet/minecraft/nbt/NbtCompound;remove(Ljava/lang/String;)V
intermediary	method_10551	Lnet/minecraft/class_2487;method_10551(Ljava/lang/String;)V
official	r	Lua;r(Ljava/lang/String;)V

toString

public String toString()

Specified by:

toString in interface NbtElement

Overrides:

toString in class Object

isEmpty

public boolean isEmpty()

Returns whether the compound has no entries.

Returns:

whether the compound has no entries

Mappings:

Namespace	Name	Mixin selector
named	isEmpty	Lnet/minecraft/nbt/NbtCompound;isEmpty()Z
intermediary	method_33133	Lnet/minecraft/class_2487;method_33133()Z
official	j	Lua;j()Z

shallowCopy

protected NbtCompound shallowCopy()

Mappings:

Namespace	Name	Mixin selector
named	shallowCopy	Lnet/minecraft/nbt/NbtCompound;shallowCopy()Lnet/minecraft/nbt/NbtCompound;
intermediary	method_59873	Lnet/minecraft/class_2487;method_59873()Lnet/minecraft/class_2487;
official	k	Lua;k()Lua;

copy

public NbtCompound copy()

Description copied from interface: NbtElement

Returns an NBT element of equal value that won't change with this element.

Specified by:

copy in interface NbtElement

Returns:

an NBT element of equal value that won't change with this element

Mappings:

Namespace	Name	Mixin selector
named	copy	Lnet/minecraft/nbt/NbtCompound;copy()Lnet/minecraft/nbt/NbtCompound;
intermediary	method_10553	Lnet/minecraft/class_2487;method_10553()Lnet/minecraft/class_2487;
official	l	Lua;l()Lua;

asCompound

public Optional<NbtCompound> asCompound()

Specified by:

asCompound in interface NbtElement

Mappings:

Namespace	Name	Mixin selector
named	asCompound	Lnet/minecraft/nbt/NbtElement;asCompound()Ljava/util/Optional;
intermediary	method_68571	Lnet/minecraft/class_2520;method_68571()Ljava/util/Optional;
official	s_	Lva;s_()Ljava/util/Optional;

equals

public boolean equals(Object o)

Overrides:

equals in class Object

Mappings:

Namespace	Name	Mixin selector
named	equals	Lnet/minecraft/nbt/NbtCompound;equals(Ljava/lang/Object;)Z
intermediary	equals	Lnet/minecraft/class_2487;equals(Ljava/lang/Object;)Z
official	equals	Lua;equals(Ljava/lang/Object;)Z

hashCode

public int hashCode()

Overrides:

hashCode in class Object

write

private static void write(String key,
 NbtElement element,
 DataOutput output)
                   throws IOException

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
named	write	Lnet/minecraft/nbt/NbtCompound;write(Ljava/lang/String;Lnet/minecraft/nbt/NbtElement;Ljava/io/DataOutput;)V
intermediary	method_10555	Lnet/minecraft/class_2487;method_10555(Ljava/lang/String;Lnet/minecraft/class_2520;Ljava/io/DataOutput;)V
official	a	Lua;a(Ljava/lang/String;Lva;Ljava/io/DataOutput;)V

read

static NbtElement read(NbtType<?> reader,
 String key,
 DataInput input,
 NbtSizeTracker tracker)

Mappings:

Namespace	Name	Mixin selector
named	read	Lnet/minecraft/nbt/NbtCompound;read(Lnet/minecraft/nbt/NbtType;Ljava/lang/String;Ljava/io/DataInput;Lnet/minecraft/nbt/NbtSizeTracker;)Lnet/minecraft/nbt/NbtElement;
intermediary	method_10581	Lnet/minecraft/class_2487;method_10581(Lnet/minecraft/class_4614;Ljava/lang/String;Ljava/io/DataInput;Lnet/minecraft/class_2505;)Lnet/minecraft/class_2520;
official	a	Lua;a(Lvc;Ljava/lang/String;Ljava/io/DataInput;Luj;)Lva;

copyFrom

public NbtCompound copyFrom(NbtCompound source)

Merges the entries of source to this compound. The passed compound will not be modified. If both compounds contain a compound with the same key, they will be merged; otherwise the values of this compound will be overwritten.

Returns:

this compound with entries merged

Mappings:

Namespace	Name	Mixin selector
named	copyFrom	Lnet/minecraft/nbt/NbtCompound;copyFrom(Lnet/minecraft/nbt/NbtCompound;)Lnet/minecraft/nbt/NbtCompound;
intermediary	method_10543	Lnet/minecraft/class_2487;method_10543(Lnet/minecraft/class_2487;)Lnet/minecraft/class_2487;
official	a	Lua;a(Lua;)Lua;

accept

public void accept(NbtElementVisitor visitor)

Specified by:

accept in interface NbtElement

Mappings:

Namespace	Name	Mixin selector
named	accept	Lnet/minecraft/nbt/NbtElement;accept(Lnet/minecraft/nbt/visitor/NbtElementVisitor;)V
intermediary	method_32289	Lnet/minecraft/class_2520;method_32289(Lnet/minecraft/class_5627;)V
official	a	Lva;a(Lve;)V

doAccept

public NbtScanner.Result doAccept(NbtScanner visitor)

Specified by:

doAccept in interface NbtElement

Mappings:

Namespace	Name	Mixin selector
named	doAccept	Lnet/minecraft/nbt/NbtElement;doAccept(Lnet/minecraft/nbt/scanner/NbtScanner;)Lnet/minecraft/nbt/scanner/NbtScanner$Result;
intermediary	method_39850	Lnet/minecraft/class_2520;method_39850(Lnet/minecraft/class_6836;)Lnet/minecraft/class_6836$class_6838;
official	a	Lva;a(Lux;)Lux$b;

put

public <T> void put(String key,
 com.mojang.serialization.Codec<T> codec,
 T value)

Mappings:

Namespace	Name	Mixin selector
named	put	Lnet/minecraft/nbt/NbtCompound;put(Ljava/lang/String;Lcom/mojang/serialization/Codec;Ljava/lang/Object;)V
intermediary	method_67494	Lnet/minecraft/class_2487;method_67494(Ljava/lang/String;Lcom/mojang/serialization/Codec;Ljava/lang/Object;)V
official	a	Lua;a(Ljava/lang/String;Lcom/mojang/serialization/Codec;Ljava/lang/Object;)V

putNullable

public <T> void putNullable(String key,
 com.mojang.serialization.Codec<T> codec,
 @Nullable
 T value)

Mappings:

Namespace	Name	Mixin selector
named	putNullable	Lnet/minecraft/nbt/NbtCompound;putNullable(Ljava/lang/String;Lcom/mojang/serialization/Codec;Ljava/lang/Object;)V
intermediary	method_68082	Lnet/minecraft/class_2487;method_68082(Ljava/lang/String;Lcom/mojang/serialization/Codec;Ljava/lang/Object;)V
official	b	Lua;b(Ljava/lang/String;Lcom/mojang/serialization/Codec;Ljava/lang/Object;)V

put

public <T> void put(String key,
 com.mojang.serialization.Codec<T> codec,
 com.mojang.serialization.DynamicOps<NbtElement> ops,
 T value)

Mappings:

Namespace	Name	Mixin selector
named	put	Lnet/minecraft/nbt/NbtCompound;put(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V
intermediary	method_67493	Lnet/minecraft/class_2487;method_67493(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V
official	a	Lua;a(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V

putNullable

public <T> void putNullable(String key,
 com.mojang.serialization.Codec<T> codec,
 com.mojang.serialization.DynamicOps<NbtElement> ops,
 @Nullable
 T value)

Mappings:

Namespace	Name	Mixin selector
named	putNullable	Lnet/minecraft/nbt/NbtCompound;putNullable(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V
intermediary	method_68081	Lnet/minecraft/class_2487;method_68081(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V
official	b	Lua;b(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V

copyFromCodec

public <T> void copyFromCodec(com.mojang.serialization.MapCodec<T> codec,
 T value)

Mappings:

Namespace	Name	Mixin selector
named	copyFromCodec	Lnet/minecraft/nbt/NbtCompound;copyFromCodec(Lcom/mojang/serialization/MapCodec;Ljava/lang/Object;)V
intermediary	method_67490	Lnet/minecraft/class_2487;method_67490(Lcom/mojang/serialization/MapCodec;Ljava/lang/Object;)V
official	a	Lua;a(Lcom/mojang/serialization/MapCodec;Ljava/lang/Object;)V

copyFromCodec

public <T> void copyFromCodec(com.mojang.serialization.MapCodec<T> codec,
 com.mojang.serialization.DynamicOps<NbtElement> ops,
 T value)

Mappings:

Namespace	Name	Mixin selector
named	copyFromCodec	Lnet/minecraft/nbt/NbtCompound;copyFromCodec(Lcom/mojang/serialization/MapCodec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V
intermediary	method_67489	Lnet/minecraft/class_2487;method_67489(Lcom/mojang/serialization/MapCodec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V
official	a	Lua;a(Lcom/mojang/serialization/MapCodec;Lcom/mojang/serialization/DynamicOps;Ljava/lang/Object;)V

get

public <T> Optional<T> get(String key,
 com.mojang.serialization.Codec<T> codec)

Mappings:

Namespace	Name	Mixin selector
named	get	Lnet/minecraft/nbt/NbtCompound;get(Ljava/lang/String;Lcom/mojang/serialization/Codec;)Ljava/util/Optional;
intermediary	method_67491	Lnet/minecraft/class_2487;method_67491(Ljava/lang/String;Lcom/mojang/serialization/Codec;)Ljava/util/Optional;
official	a	Lua;a(Ljava/lang/String;Lcom/mojang/serialization/Codec;)Ljava/util/Optional;

get

public <T> Optional<T> get(String key,
 com.mojang.serialization.Codec<T> codec,
 com.mojang.serialization.DynamicOps<NbtElement> ops)

Mappings:

Namespace	Name	Mixin selector
named	get	Lnet/minecraft/nbt/NbtCompound;get(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;)Ljava/util/Optional;
intermediary	method_67492	Lnet/minecraft/class_2487;method_67492(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;)Ljava/util/Optional;
official	a	Lua;a(Ljava/lang/String;Lcom/mojang/serialization/Codec;Lcom/mojang/serialization/DynamicOps;)Ljava/util/Optional;

decode

public <T> Optional<T> decode(com.mojang.serialization.MapCodec<T> codec)

Mappings:

Namespace	Name	Mixin selector
named	decode	Lnet/minecraft/nbt/NbtCompound;decode(Lcom/mojang/serialization/MapCodec;)Ljava/util/Optional;
intermediary	method_67487	Lnet/minecraft/class_2487;method_67487(Lcom/mojang/serialization/MapCodec;)Ljava/util/Optional;
official	a	Lua;a(Lcom/mojang/serialization/MapCodec;)Ljava/util/Optional;

decode

public <T> Optional<T> decode(com.mojang.serialization.MapCodec<T> codec,
 com.mojang.serialization.DynamicOps<NbtElement> ops)

Mappings:

Namespace	Name	Mixin selector
named	decode	Lnet/minecraft/nbt/NbtCompound;decode(Lcom/mojang/serialization/MapCodec;Lcom/mojang/serialization/DynamicOps;)Ljava/util/Optional;
intermediary	method_67488	Lnet/minecraft/class_2487;method_67488(Lcom/mojang/serialization/MapCodec;Lcom/mojang/serialization/DynamicOps;)Ljava/util/Optional;
official	a	Lua;a(Lcom/mojang/serialization/MapCodec;Lcom/mojang/serialization/DynamicOps;)Ljava/util/Optional;