export default class Span {
    source: string;
    cachedText: string;
    start: number;
    end: number;
    line: Line;
    constructor(source: string, start?: number, end?: number);
    getText(): string;
    getLine(): Line;
    toString(): string;
}
export declare class Line {
    source: string;
    start: number;
    end: number;
    lineNumber: number;
    endLineNumber: number;
    startCol: number;
    endCol: number;
    constructor(source: string, start: number, end: number, lineNumber: number, endLineNumber: number, startCol: number, endCol: number);
}
