public List<Symbol> findSymbolsInScope(Symbol reference) {
        return findSymbolsInScope(reference.getScope(), reference.getType(), reference.getFileURI());
    }
Searches for symbols in the schema index that match the given symbol.

@return A list of symbols that match the given symbol.
integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/index/SchemaIndex.java