import { NilLiteral, Node, StringLiteral, TableConstructor, TableKey, TableValue } from './ast';
import { ast } from './';
export declare const isIdentifier: (value: unknown) => value is ast.Identifier;
export declare const isReturnStatement: (value: unknown) => value is ast.ReturnStatement;
export declare const isStringLiteral: (value: unknown) => value is StringLiteral;
export declare const isNilLiteral: (value: Node) => value is NilLiteral;
export declare const isTableKey: (value: Node) => value is TableKey;
export declare const isTableConstructor: (value: unknown) => value is TableConstructor;
export declare const isTableValue: (value: unknown) => value is TableValue;
export declare const isIndexExpression: (value: unknown) => value is ast.IndexExpression;
export declare const isNumericLiteral: (value: unknown) => value is ast.NumericLiteral;
export declare const isFunctionExpression: (value: unknown) => value is ast.FunctionExpression;
export declare const isTableKeyString: (value: unknown) => value is ast.TableKeyString;
export declare const isBooleanLiteral: (value: unknown) => value is ast.BooleanLiteral;
export declare const isIfStatement: (value: unknown) => value is ast.IfStatement;