import { ASTBase, ASTBaseOptions } from './base';
export declare abstract class ASTLiteral extends ASTBase {
    abstract value: number | string | boolean | null;
    abstract raw: string;
    abstract clone(): ASTLiteral;
}
export interface ASTLiteralOptions<T> extends ASTBaseOptions {
    value: T;
    raw: string;
}
export declare class ASTNumericLiteral extends ASTLiteral {
    value: number;
    raw: string;
    negated: boolean;
    constructor(options: ASTLiteralOptions<number>);
    toString(): string;
    clone(): ASTNumericLiteral;
}
export declare class ASTBooleanLiteral extends ASTLiteral {
    value: boolean;
    raw: string;
    negated: boolean;
    constructor(options: ASTLiteralOptions<boolean>);
    toString(): string;
    clone(): ASTBooleanLiteral;
}
export declare class ASTStringLiteral extends ASTLiteral {
    value: string;
    raw: string;
    constructor(options: ASTLiteralOptions<string>);
    toString(): string;
    clone(): ASTStringLiteral;
}
export declare class ASTNilLiteral extends ASTLiteral {
    value: null;
    raw: string;
    constructor(options: ASTLiteralOptions<null>);
    toString(): string;
    clone(): ASTNilLiteral;
}