createLambdaIrSimpleFunction
inline fun IrPluginContext.createLambdaIrSimpleFunction(startOffset: Int = UNDEFINED_OFFSET, endOffset: Int = UNDEFINED_OFFSET, origin: IrDeclarationOrigin = IrDeclarationOrigin.LOCAL_FUNCTION_FOR_LAMBDA, name: Name = SpecialNames.ANONYMOUS, visibility: DescriptorVisibility = DescriptorVisibilities.LOCAL, isInline: Boolean = false, isExpect: Boolean = false, returnType: IrType = irBuiltIns.nothingType, modality: Modality = Modality.FINAL, symbol: IrSimpleFunctionSymbol = IrSimpleFunctionSymbolImpl(), isTailrec: Boolean = false, isSuspend: Boolean = false, isOperator: Boolean = false, isInfix: Boolean = false, isExternal: Boolean = false, containerSource: DeserializedContainerSource? = null, isFakeOverride: Boolean = origin == IrDeclarationOrigin.FAKE_OVERRIDE, block: IrSimpleFunction.() -> Unit = {}): IrSimpleFunction