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                                Rename Method	private symbolToSymbolNonEquality(inputStatistics PlanNodeStatsEstimate, left Symbol, right Symbol) : PlanNodeStatsEstimate renamed to private expressionToExpressionNonEquality(inputStatistics PlanNodeStatsEstimate, left Optional<Symbol>, leftStats SymbolStatsEstimate, right Optional<Symbol>, rightStats SymbolStatsEstimate) : PlanNodeStatsEstimate in class com.facebook.presto.cost.ComparisonStatsCalculator | 
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                                Rename Method	public comparisonSymbolToSymbolStats(inputStatistics PlanNodeStatsEstimate, left Symbol, right Symbol, type ComparisonExpressionType) : PlanNodeStatsEstimate renamed to private expressionToExpressionEquality(inputStatistics PlanNodeStatsEstimate, left Optional<Symbol>, leftStats SymbolStatsEstimate, right Optional<Symbol>, rightStats SymbolStatsEstimate) : PlanNodeStatsEstimate in class com.facebook.presto.cost.ComparisonStatsCalculator | 
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                                Change Parameter Type	left : Symbol to left : Optional<Symbol> in method private expressionToExpressionNonEquality(inputStatistics PlanNodeStatsEstimate, left Optional<Symbol>, leftStats SymbolStatsEstimate, right Optional<Symbol>, rightStats SymbolStatsEstimate) : PlanNodeStatsEstimate in class com.facebook.presto.cost.ComparisonStatsCalculator | 
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                                Change Parameter Type	left : Symbol to left : Optional<Symbol> in method private expressionToExpressionEquality(inputStatistics PlanNodeStatsEstimate, left Optional<Symbol>, leftStats SymbolStatsEstimate, right Optional<Symbol>, rightStats SymbolStatsEstimate) : PlanNodeStatsEstimate in class com.facebook.presto.cost.ComparisonStatsCalculator | 
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                                Change Parameter Type	right : Symbol to right : Optional<Symbol> in method private expressionToExpressionNonEquality(inputStatistics PlanNodeStatsEstimate, left Optional<Symbol>, leftStats SymbolStatsEstimate, right Optional<Symbol>, rightStats SymbolStatsEstimate) : PlanNodeStatsEstimate in class com.facebook.presto.cost.ComparisonStatsCalculator | 
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                                Change Parameter Type	right : Symbol to right : Optional<Symbol> in method private expressionToExpressionEquality(inputStatistics PlanNodeStatsEstimate, left Optional<Symbol>, leftStats SymbolStatsEstimate, right Optional<Symbol>, rightStats SymbolStatsEstimate) : PlanNodeStatsEstimate in class com.facebook.presto.cost.ComparisonStatsCalculator | 
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