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- const _AVAILABLE_FEATURES = new Set(["anchor-deprecated-state"]);
- const _FEATURES = new Map();
- export function set(key: string) {
- if (!_AVAILABLE_FEATURES.has(key)) {
- throw new Error("Invalid feature");
- }
- _FEATURES.set(key, true);
- }
- export function isSet(key: string): boolean {
- return _FEATURES.get(key) !== undefined;
- }
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