Based on constraints, search a specific sequence part

If previous variable is a spacer:

If content is known at time of the request (with or without cost/distance constraint) use suffix array search. Else, use anySpacer predicate to search current variable
false
false
false
false
true
search var content
High-Level Use Cases::System1::grammarParser::GrammarParser::ThirdStepParsing::::search var content
public