import DocComment from "../comments/DocComment";
import Token from "../Token";
import ASTNode from "./ASTNode";
import ASTVisitor from "./ASTVisitor";
import { Expression } from "./expressions";
export declare enum AssignmentNodeRole {
    VARIABLE_DECLARATION = 0,
    ARGUMENT_DECLARATION = 1,
    ARGUMENT_ASSIGNMENT = 2
}
/**
 * Represents a value being assigned to a name. Used when declaring and calling modules or functions.
 * It is also used in control flow structures such as for loops and let expressions.
 * @category AST
 */
export default class AssignmentNode extends ASTNode {
    role: AssignmentNodeRole;
    tokens: {
        name: Token | null;
        equals: Token | null;
        trailingCommas: Token[] | null;
        semicolon: Token | null;
    };
    /**
     * The name of the value being assigned.
     * The name field may be empty when it represents a positional argument in a call.
     */
    name: string;
    /**
     * THe value of the name being assigned.
     * It can be null when the AssignmentNode is used as a function parameter without a default value.
     */
    value: Expression | null;
    /**
     * The documentation and annotations connected with this variable.
     */
    docComment: DocComment | null;
    constructor(name: string, value: Expression | null, role: AssignmentNodeRole, tokens: {
        name: Token | null;
        equals: Token | null;
        trailingCommas: Token[] | null;
        semicolon: Token | null;
    });
    accept<R>(visitor: ASTVisitor<R>): R;
}