src/Closable.php:18:5: InvalidDocblock: Invalid type 'Amp\@Codetrue' in docblock for Amp\Closable::isClosed (see https://psalm.dev/008)

src/CompositeCancellation.php:24:9: UnsupportedPropertyReferenceUsage: This reference cannot be analyzed by Psalm. (see https://psalm.dev/321)

src/CompositeCancellation.php:25:9: UnsupportedPropertyReferenceUsage: This reference cannot be analyzed by Psalm. (see https://psalm.dev/321)

src/CompositeCancellation.php:26:9: UnsupportedPropertyReferenceUsage: This reference cannot be analyzed by Psalm. (see https://psalm.dev/321)

src/Internal/FutureState.php:43:50: InvalidArgument: Argument 1 of Amp\Internal\formatStacktrace expects list<array{args?: list<mixed>, class?: class-string, file: string, function: string, line: int, object?: object, type?: string}>, but list<array{args?: list<mixed>, class?: class-string, file?: string, function: string, line?: int, object?: object, type?: string}> with additional array shape fields (file, line) was provided (see https://psalm.dev/004)

src/SignalCancellation.php:43:108: InvalidArgument: Argument 1 of Amp\Internal\formatStacktrace expects list<array{args?: list<mixed>, class?: class-string, file: string, function: string, line: int, object?: object, type?: string}>, but non-empty-list<array{args?: list<mixed>, class?: class-string, file?: string, function: string, line?: int, object?: object, type?: string}> with additional array shape fields (file, line) was provided (see https://psalm.dev/004)

src/TimeoutCancellation.php:32:108: InvalidArgument: Argument 1 of Amp\Internal\formatStacktrace expects list<array{args?: list<mixed>, class?: class-string, file: string, function: string, line: int, object?: object, type?: string}>, but non-empty-list<array{args?: list<mixed>, class?: class-string, file?: string, function: string, line?: int, object?: object, type?: string}> with additional array shape fields (file, line) was provided (see https://psalm.dev/004)

src/functions.php:179:34: PossiblyNullReference: Cannot call method bindTo on possibly null value (see https://psalm.dev/083)

src/functions.php:188:26: PossiblyNullReference: Cannot call method call on possibly null value (see https://psalm.dev/083)

The operation was canceled.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/