Paul 537d470954 ts: make `Provider` an interface, add `AnchorProvider` class, and update provider functions (#1707) %!s(int64=3) %!d(string=hai) anos
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basic-3.js 537d470954 ts: make `Provider` an interface, add `AnchorProvider` class, and update provider functions (#1707) %!s(int64=3) %!d(string=hai) anos