/**
 * Maps workspace demand signals to official marketplace and registry category
 * taxonomies. Used by the category-sweep harvest phase to guarantee complete
 * coverage of each relevant ecosystem segment (#291).
 *
 * Keys are normalized demand-signal tokens (languages, frameworks, concerns).
 * Values are the official category strings accepted by each marketplace's API.
 */
/**
 * Maps demand signal tokens to VS Code Marketplace category names.
 * Category names must exactly match the values accepted by `filterType: 5`
 * in the Gallery API.
 *
 * Full category list (Marketplace API, 2024):
 * AI | Azure | Chat | Data Science | Debuggers | Extension Packs |
 * Formatters | Keymaps | Language Packs | Linters | Machine Learning |
 * Notebooks | Other | Programming Languages | SCM Providers | Snippets |
 * Testing | Themes | Visualization
 */
export declare const DEMAND_TO_VSCODE_CATEGORIES: Readonly<Record<string, readonly string[]>>;
/**
 * VS Code Marketplace sort-by constants (as used in the Gallery API body).
 * @see https://learn.microsoft.com/en-us/azure/devops/extend/develop/extension-query
 */
export declare const VSCODE_SORT_BY: {
    /** Default / relevance */
    readonly Relevance: 0;
    /** Last updated date */
    readonly LastUpdatedDate: 1;
    /** Title alphabetical */
    readonly Title: 2;
    /** Publisher name */
    readonly PublisherName: 5;
    /** Install count (most installed first when sortOrder = Descending) */
    readonly InstallCount: 4;
    /** Rating (highest rated first) */
    readonly AverageRating: 6;
    /** Weekly download count */
    readonly WeeklyDownloads: 12;
};
/** Numeric sort-by value for the VS Code Marketplace Gallery API. */
export type VsCodeSortBy = (typeof VSCODE_SORT_BY)[keyof typeof VSCODE_SORT_BY];
/** Sort order constants for the VS Code Marketplace Gallery API. */
export declare const VSCODE_SORT_ORDER: {
    readonly Default: 0;
    readonly Ascending: 1;
    readonly Descending: 2;
};
/** Numeric sort-order value for the VS Code Marketplace Gallery API. */
export type VsCodeSortOrder = (typeof VSCODE_SORT_ORDER)[keyof typeof VSCODE_SORT_ORDER];
/**
 * Resolves the set of VS Code Marketplace category names relevant to the
 * given demand signal tokens. Deduplicates the result.
 */
export declare function resolveVsCodeCategories(signals: readonly string[]): string[];