Shorthand method for retrieving a single Subject and its properties by
its @id, if it exists.
the Subject @id
the properties to retrieve. If no properties are specified, all available properties of the subject will be returned.
a promise resolving to the requested Subject with the requested
properties, or undefined if not found
Returns a stream that processes all quads matching the pattern.
The optional subject.
The optional predicate.
The optional object.
The optional graph.
The resulting quad stream.
Actively reads data from the domain.
The query executes in response to either subscription to the returned
result, or calling .then.
All results are guaranteed to derive from the current state; however since the observable results are delivered asynchronously, the current state is not guaranteed to be live in the subscriber. In order to keep this state alive during iteration (for example, to perform a consequential operation), perform the read in the scope of a read procedure.
the declarative read description
read subjects
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Read methods for a MeldState.
Methods are typed to ensure that app code is aware of m-ld data semantics. See the Resource type for more details.