onMount
fun onMount(c: ComponentContext, textDrawable: TextDrawable, text: CharSequence?, textColor: Int, highlightColor: Int, outlineWidth: Float, outlineColor: Int, textColorStateList: ColorStateList?, textOffsetOnTouchHandler: EventHandler<*>?, highlightStartOffset: Int, highlightEndOffset: Int, clickableSpanExpandedOffset: Float, clipToBounds: Boolean, spanListener: ClickableSpanListener?, touchableSpanListener: TouchableSpanListener?, processedText: CharSequence?, textLayout: Layout?, textLayoutTranslationX: Float?, textLayoutTranslationY: Float?, clickableSpans: Array<ClickableSpan?>?, imageSpans: Array<ImageSpan?>?, isExplicitlyTruncated: Boolean)