15: {x: 15} out of AListExprs
15: {x: 15} out of ACallExpr
15: {x: 15} out of AVardeclExpr
16: {x: 15} out of TKwvar
16: {x: 15} out of TId
16: {x: 15} out of TAssign
16: {x: 15} out of AImplicitSelfExpr
16: {x: 15} out of TId
16: {x: 15} out of AQid
16: {x: 15} out of AListExprs
16: {x: 15} out of ACallExpr
16: {x: 15} out of TId
16: {x: 15} out of AQid
16: {x: 15}, {y: 16} out of AListExprs
16: {x: 15}, {y: 16} out of ACallExpr
16: {x: 15}, {y: 16} out of AVardeclExpr
17: {x: 15}, {y: 16} out of TKwvar
17: {x: 15}, {y: 16} out of TId
17: {x: 15}, {y: 16} out of TAssign
17: {x: 15}, {y: 16} out of TId
17: {x: 15}, {y: 16} out of AVarExpr
17: {x: 15}, {y: 16} out of TPlus
17: {x: 15}, {y: 16}, {z: 17} out of TId
17: {x: 15}, {y: 16}, {z: 17} out of AVarExpr
17: {x: 15}, {y: 16}, {z: 17} out of APlusExpr
17: {x: 15}, {y: 16}, {z: 17} out of AVardeclExpr
18: {x: 15}, {y: 16}, {z: 17} out of AImplicitSelfExpr
18: {x: 15}, {y: 16}, {z: 17} out of TId
18: {x: 15}, {y: 16}, {z: 17} out of AQid
18: {x: 15}, {y: 16}, {z: 17} out of TId
18: {x: 15}, {y: 16}, {z: 17} out of AVarExpr
18: {x: 15}, {y: 16}, {z: 17} out of AListExprs
18: {x: 15}, {y: 16}, {z: 17} out of ACallExpr
18: {x: 15}, {y: 16}, {z: 17} out of ABlockExpr
18: {x: 15}, {y: 16}, {z: 17} out of AMainMethPropdef
18: {x: 15}, {y: 16}, {z: 17} out of AMainClassdef
18: {x: 15}, {y: 16}, {z: 17} out of AModule