private static Schema createRangesSchema() {
		return new Schema(0, "From", new Field[] { LongField.INSTANCE }, new String[] { "To" });
	}
<code>SharedRangeMapDB</code> provides a long value range map backed by a database table.
This map allows values to share a given range with other values.
@deprecated This map class should not be used except by the OldFunctionMapDB class
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/util/SharedRangeMapDB.java