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1.  final def !=(arg0: Any): Boolean

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2.  final def ##: Int

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3.  final def ==(arg0: Any): Boolean

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4.  final def asInstanceOf[T0]: T0

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5.  def clone(): AnyRef

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   protected[lang]

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   @throws(classOf[java.lang.CloneNotSupportedException]) @native()

6.  final def eq(arg0: AnyRef): Boolean

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7.  def equals(arg0: AnyRef): Boolean

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8.  def finalize(): Unit

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   @throws(classOf[java.lang.Throwable])

9.  final def getClass(): Class[_ <: AnyRef]

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   @native()

10.  def getTargetColNameParts(resolvedTargetCol: Expression, errMsg: => String = null): Seq[String]

    Extracts name parts from a resolved expression referring to a nested or non-nested column - For non-nested column, the resolved expression will be like AttributeReference(...).

    Extracts name parts from a resolved expression referring to a nested or non-nested column - For non-nested column, the resolved expression will be like AttributeReference(...). - For nested column, the resolved expression will be like Alias(GetStructField(...)).

    In the nested case, the function recursively traverses through the expression to find the name parts. For example, a nested field of a.b.c would be resolved to an expression

    Alias(c, GetStructField(c, GetStructField(b, AttributeReference(a)))

    for which this method recursively extracts the name parts as follows:

    Alias(c, GetStructField(c, GetStructField(b, AttributeReference(a))) -> GetStructField(c, GetStructField(b, AttributeReference(a))) -> GetStructField(b, AttributeReference(a)) ++ Seq(c) -> AttributeReference(a) ++ Seq(b, c) -> [a, b, c]

11.  def hashCode(): Int

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12.  final def isInstanceOf[T0]: Boolean

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13.  final def ne(arg0: AnyRef): Boolean

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14.  final def notify(): Unit

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    @native()

15.  final def notifyAll(): Unit

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    @native()

16.  final def synchronized[T0](arg0: => T0): T0

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17.  def toString(): String

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18.  final def wait(): Unit

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    @throws(classOf[java.lang.InterruptedException])

19.  final def wait(arg0: Long, arg1: Int): Unit

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    @throws(classOf[java.lang.InterruptedException])

20.  final def wait(arg0: Long): Unit

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    @throws(classOf[java.lang.InterruptedException]) @native()