in server/src/jetbrains/buildServer/swabra/HandleToolVersion.java [47:56]
public boolean equals(final Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final ToolVersion that = (ToolVersion)o;
if (!HandleToolType.getInstance().getType().equals(that.getType().getType())) return false;
return HANDLE_TOOL.equals(that.getVersion());
}