Check whether the tree satisfies: parent guarantees >= sum(children guarantees) TODO(mzhu): Add limit check.

Wait for a task with a certain name to be in a given state.

Return the most recent non-blank line and its line number. Args: clean_lines: A CleansedLines instance containing the file contents. linenu

The prefix this isolator uses for the virtual ethernet devices. NOTE: This constant is exposed for testing.

Updates the global list of line error-suppressions. Parses any NOLINT comments on the current line, updating the global error_suppressions store.

For each primary handle, we maintain a bitmap to keep track of allocated and free secondary handles. To find a free secondary handle we scan the bitma

Checks whether there exists a bound value in this map.

Provides an interface for creating a child process on Windows. The `command` argument is given for compatibility, and is ignored. This is because the

Uses the curl command to send an HTTP request to the given URL and returns the HTTP response it received. The location redirection and HTTPS connectio

Returns a gzip decompressed version of the provided string.

Transitions this Once instance to a 'done' state.

Returns the list of files that match the given (shell) pattern.

Returns load struct with average system loads for the last 1, 5 and 15 minutes respectively. Load values should be interpreted as usual average loads

Returns the next update (or none, if empty) in the queue.

An HDFS client path must be either a full URI or an absolute path. If it is a relative path, prepend "/" to make it absolute. (Note that all URI schem