GraphComponentBuilder

abstract def df: DataFrame

abstract def idSqlColumns: Seq[Column]

Edge sql columns have a direct mapping, Vertices could be an array for multiple properties or struct for table, so it has code to extract key part here

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

val databaseName: String

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

lazy val focalVertexIdColumn: Column

vertex name in id separator Vertex id has format vertexLabel:base64(idColumns)

final def getClass(): Class[_]

def hashCode(): Int

val idColumnContainer: ColumnContainer

val idColumns: Buffer[String]

final def isInstanceOf[T0]: Boolean

val label: String

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

val schema: SerializableSchema

val spark: SparkSession

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

val vertex: Vertex

final def wait(): Unit

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

final def wait(arg0: Long): Unit