@Override
	public String getStatusMsg() {
		return msg;
	}
Gets a scalar that matches the value of the scalar at the cursor location.
@param instruction The instruction to search
@param opIndex The operand index to look at
@param subOpIndex the sub operand index
@return A scalar that matches the value of the scalar at the cursor location, or null if no
such scalar can be found.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/equate/ConvertCommand.java