export interface Span {
    readonly start: number;
    readonly end: number;
}
export declare function spanIdentity(sourceSpan: Span): string;
export interface SourceLocation {
    readonly line: number;
    readonly column: number;
}
export declare class SourceText {
    readonly path: string;
    readonly text: string;
    readonly lineStarts: readonly number[];
    constructor(path: string, text: string, indexLines?: boolean);
    location(offset: number): SourceLocation;
    lineText(line: number): string;
}
export declare function span(start: number, end: number): Span;
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