TModel = object
  s*: seq[PNode]
  g*: ModuleGraph
  beSmart*: bool

proc addAsgnFact(m: var TModel; key, value: PNode) {....raises: [], tags: [].}

proc addCaseBranchFacts(m: var TModel; n: PNode; i: int) {.
    ...raises: [ERecoverableError], tags: [].}

proc addDiscriminantFact(m: var TModel; n: PNode) {....raises: [], tags: [].}

proc addFact(m: var TModel; nn: PNode) {....raises: [ERecoverableError, KeyError],
    tags: [].}

proc addFactLe(m: var TModel; a, b: PNode) {....raises: [KeyError], tags: [].}

proc addFactLt(m: var TModel; a, b: PNode) {....raises: [KeyError], tags: [].}

proc addFactNeg(m: var TModel; n: PNode) {.
    ...raises: [ERecoverableError, KeyError], tags: [].}

proc buildAdd(a: PNode; b: BiggestInt; o: Operators): PNode {.
    ...raises: [KeyError], tags: [].}

proc buildCall(op: PSym; a, b: PNode): PNode {....raises: [], tags: [].}

proc buildCall(op: PSym; a: PNode): PNode {....raises: [], tags: [].}

proc buildLe(o: Operators; a, b: PNode): PNode {....raises: [], tags: [].}

proc canon(n: PNode; o: Operators): PNode {....raises: [KeyError], tags: [].}

proc checkFieldAccess(m: TModel; n: PNode; conf: ConfigRef) {.
    ...raises: [KeyError, ERecoverableError, Exception], tags: [RootEffect].}

proc doesImply(facts: TModel; prop: PNode): TImplication {.
    ...raises: [ERecoverableError, KeyError, Exception], tags: [RootEffect].}

proc highBound(conf: ConfigRef; x: PNode; o: Operators): PNode {....raises: [],
    tags: [].}

proc impliesNotNil(m: TModel; arg: PNode): TImplication {.
    ...raises: [ERecoverableError, KeyError, Exception], tags: [RootEffect].}

proc interestingCaseExpr(m: PNode): bool {....raises: [], tags: [].}

proc lowBound(conf: ConfigRef; x: PNode): PNode {....raises: [], tags: [].}

proc proveLe(m: TModel; a, b: PNode): TImplication {.
    ...raises: [KeyError, ERecoverableError, Exception], tags: [RootEffect].}

proc sameSubexprs(m: TModel; a, b: PNode): bool {.
    ...raises: [ERecoverableError, KeyError, Exception], tags: [RootEffect].}

proc sameTree(a, b: PNode): bool {....raises: [], tags: [].}

proc simpleSlice(a, b: PNode): BiggestInt {....raises: [], tags: [].}