import * as Shift from 'shift-ast';
export declare class Variable {
    name: string;
    type: VariableType;
    declarations: Shift.BindingIdentifier[];
    references: (Shift.IdentifierExpression | Shift.AssignmentTargetIdentifier)[];
    /**
     * Creates a new variable.
     * @param name The variable name.
     * @param type The type of the variable.
     */
    constructor(name: string, type: VariableType);
    /**
     * Returns whether the variable is block scoped.
     * @returns Whether.
     */
    isBlockScoped(): boolean;
    /**
     * Renames the variable.
     * @param newName The new variable name.
     */
    rename(newName: string): void;
}
export type VariableType = 'const' | 'let' | 'var' | undefined;
export declare const blockScopedTypes: Set<VariableType>;