import { StmtNS, ExprNS } from "./ast-types";
type Expr = ExprNS.Expr;
type Stmt = StmtNS.Stmt;
import { Token } from "./tokenizer";
declare class Environment {
    source: string;
    enclosing: Environment | null;
    names: Map<string, Token>;
    functions: Set<string>;
    moduleBindings: Set<string>;
    constructor(source: string, enclosing: Environment | null, names: Map<string, Token>);
    lookupName(identifier: Token): number;
    lookupNameCurrentEnv(identifier: Token): Token | undefined;
    lookupNameCurrentEnvWithError(identifier: Token): void;
    lookupNameParentEnvWithError(identifier: Token): void;
    declareName(identifier: Token): void;
    declarePlaceholderName(identifier: Token): void;
    suggestNameCurrentEnv(identifier: Token): string | null;
    suggestName(identifier: Token): string | null;
}
export declare class Resolver implements StmtNS.Visitor<void>, ExprNS.Visitor<void> {
    source: string;
    ast: Stmt;
    environment: Environment | null;
    functionScope: Environment | null;
    constructor(source: string, ast: Stmt);
    resolve(stmt: Stmt[] | Stmt | Expr[] | Expr | null): void;
    varDeclNames(names: Map<string, Token>): Token[] | null;
    functionVarConstraint(identifier: Token): void;
    visitFileInputStmt(stmt: StmtNS.FileInput): void;
    visitIndentCreation(stmt: StmtNS.Indent): void;
    visitDedentCreation(stmt: StmtNS.Dedent): void;
    visitFunctionDefStmt(stmt: StmtNS.FunctionDef): void;
    visitAnnAssignStmt(stmt: StmtNS.AnnAssign): void;
    visitAssignStmt(stmt: StmtNS.Assign): void;
    visitAssertStmt(stmt: StmtNS.Assert): void;
    visitForStmt(stmt: StmtNS.For): void;
    visitIfStmt(stmt: StmtNS.If): void;
    visitGlobalStmt(stmt: StmtNS.Global): void;
    visitNonLocalStmt(stmt: StmtNS.NonLocal): void;
    visitReturnStmt(stmt: StmtNS.Return): void;
    visitWhileStmt(stmt: StmtNS.While): void;
    visitSimpleExprStmt(stmt: StmtNS.SimpleExpr): void;
    visitFromImportStmt(stmt: StmtNS.FromImport): void;
    visitContinueStmt(stmt: StmtNS.Continue): void;
    visitBreakStmt(stmt: StmtNS.Break): void;
    visitPassStmt(stmt: StmtNS.Pass): void;
    visitVariableExpr(expr: ExprNS.Variable): void;
    visitLambdaExpr(expr: ExprNS.Lambda): void;
    visitMultiLambdaExpr(expr: ExprNS.MultiLambda): void;
    visitUnaryExpr(expr: ExprNS.Unary): void;
    visitGroupingExpr(expr: ExprNS.Grouping): void;
    visitBinaryExpr(expr: ExprNS.Binary): void;
    visitBoolOpExpr(expr: ExprNS.BoolOp): void;
    visitCompareExpr(expr: ExprNS.Compare): void;
    visitCallExpr(expr: ExprNS.Call): void;
    visitTernaryExpr(expr: ExprNS.Ternary): void;
    visitLiteralExpr(expr: ExprNS.Literal): void;
    visitBigIntLiteralExpr(expr: ExprNS.BigIntLiteral): void;
}
export {};