Annotation symbols are a simple object with a url and name property.
The url is a URI that points to an icon for the symbol, and the name
is a human-readable name for the symbol.
These will exist as the values in the annotationSymbols object, with a key
that links them to the symbolKey property of one or more AnnotationProperties
Annotation symbols are a simple object with a
urlandnameproperty. Theurlis a URI that points to an icon for the symbol, and thenameis a human-readable name for the symbol.These will exist as the values in the
annotationSymbolsobject, with a key that links them to thesymbolKeyproperty of one or more AnnotationPropertiesInterface