import type { CompiledSourceItemV2 } from "./long-task-delivery-types.js";
export declare const SOURCE_ITEM_START: RegExp;
export declare const SOURCE_ITEM_END: RegExp;
export declare const SOURCE_BACKGROUND_START: RegExp;
export declare const SOURCE_BACKGROUND_END: RegExp;
export declare function parseSourceBackgroundMarker(sourcePath: string, line: number, declaration: string): {
    key: string;
    reason: string;
};
export declare function parseSourceItemStartMarker(sourcePath: string, line: number, declaration: string): Pick<CompiledSourceItemV2, "key" | "kind" | "aspect" | "risk_semantics">;
export declare function validateSourceBackgroundLine(sourcePath: string, blockKey: string, reason: string, lineNumber: number, value: string): void;
export declare function normalizeSourceItemText(value: string): string;