import { IMatch } from '@vscode-alt/monaco-editor/esm/vs/base/common/filters';
export type Score = [number, number[]];
export type ScorerCache = {
    [key: string]: IItemScore;
};
export declare function score(target: string, query: string, queryLower: string, fuzzy: boolean): Score;
/**
 * Scoring on structural items that have a label and optional description.
 */
export interface IItemScore {
    /**
     * Overall score.
     */
    score: number;
    /**
     * Matches within the label.
     */
    labelMatch?: IMatch[];
    /**
     * Matches within the description.
     */
    descriptionMatch?: IMatch[];
}
export interface IItemAccessor<T> {
    /**
     * Just the label of the item to score on.
     */
    getItemLabel(item: T): string | null;
    /**
     * The optional description of the item to score on. Can be null.
     */
    getItemDescription(item: T): string | null;
    /**
     * If the item is a file, the path of the file to score on. Can be null.
     */
    getItemPath(file: T): string | undefined;
}
export interface IPreparedQuery {
    original: string;
    value: string;
    lowercase: string;
    containsPathSeparator: boolean;
}
/**
 * Helper function to prepare a search value for scoring in quick open by removing unwanted characters.
 */
export declare function prepareQuery(original: string): IPreparedQuery;
export declare function scoreItem<T>(item: T, query: IPreparedQuery, fuzzy: boolean, accessor: IItemAccessor<T>, cache: ScorerCache): IItemScore;
export declare function compareItemsByScore<T>(itemA: T, itemB: T, query: IPreparedQuery, fuzzy: boolean, accessor: IItemAccessor<T>, cache: ScorerCache, fallbackComparer?: typeof fallbackCompare): number;
export declare function fallbackCompare<T>(itemA: T, itemB: T, query: IPreparedQuery, accessor: IItemAccessor<T>): number;