export declare const isStructuredFilePath: (value: string) => boolean;
export declare const stripManagedSdsPreflightBlock: (value: string | undefined) => string | undefined;
export declare const normalizeHeadingCandidate: (value: string) => string;
export declare const headingLooksImplementationRelevant: (heading: string) => boolean;
export declare const pruneParentImplementationHeadings: (headings: string[]) => string[];
export declare const normalizeStructuredPathToken: (value: string) => string | undefined;
export declare const normalizeFolderEntry: (entry: string) => string | undefined;
export declare const extractStructuredPaths: (content: string, limit: number) => string[];
export declare const extractMarkdownHeadings: (content: string, limit: number) => string[];
export declare const folderEntryLooksRepoRelevant: (entry: string) => boolean;
export declare const filterImplementationStructuredPaths: (paths: string[]) => string[];
export interface SdsImplementationSignals {
    rawSectionHeadings: string[];
    rawFolderEntries: string[];
    sectionHeadings: string[];
    folderEntries: string[];
    skippedHeadingSignals: number;
    skippedFolderSignals: number;
}
export declare const collectSdsImplementationSignals: (content: string, options: {
    headingLimit: number;
    folderLimit: number;
}) => SdsImplementationSignals;
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