public void setTrailingIcon( Icon trailingIcon ) {
		putClientProperty( TEXT_FIELD_TRAILING_ICON, trailingIcon );
	}
Specifies the trailing icon that will be placed at the trailing edge of the text field.

@since 2
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatFormattedTextField.java