Function checkBlankNodeBGPScope

checkBlankNodeBGPScope(
patterns: Pattern[],
astTransformer?: AstTransformer,
): void
https://www.w3.org/TR/sparql11-query/#bgpBNodeLabels

A label can be used in only a single basic graph pattern in any query.
Parameters
- patterns: Pattern[]
  The patterns of a group graph pattern.
- astTransformer: AstTransformer = transformer
  The transformer to traverse the patterns with.
Returns void
- Defined in rules-sparql-1-1/lib/validation/validators.ts:547