protected boolean isAtEnd(int rowIndex) {
		int numRowComponents = getNumComponents();
		if (rowIndex < 0) {
			return false;
		}
		if (rowIndex >= numRowComponents) {
			return true; // Beyond last component.
		}
		if (rowIndex + 1 == numRowComponents) {
			// On last displayed component.
			return true;
		}
		return false;
	}
Determine if the indicated row index is at or beyond the last component in this composite.

@param rowIndex the index of the row
@return true if the index is at or beyond the last component.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/CompEditorModel.java