Update Gaia API documents for #1ca0c5ddf7e2906273de8397d19e9bc5818d539e
    Revert unintentional merge.
This reverts commit ce4151d0130481df6364ad5a540a6afeaef00e0b.
This reverts commit dfa9fa8c1802b4cc6835d8af8a745477534c2936.