import { nat } from "things";
export declare class Span {
    static none: Span;
    startLine: nat;
    startColumnInclusive: nat;
    endLine: nat;
    endColumnExclusive: nat;
    constructor(startLine: nat, startColumnInclusive: nat, endLine: nat, endColumnExclusive: nat);
}
export declare function spanOfResult<T>(result: Span): Span;
export declare class Spanned<T> {
    span: Span | undefined;
    t: T;
    constructor(span: Span | undefined, t: T);
    toString(): string;
}