import { type IOResult } from '../../io/types.ts';
import { type WalkFilters } from './grep_select.ts';
import type { AsyncReadBytesFn, AsyncReaddirFn, AsyncStatFn } from './utils/types.ts';
export interface GrepLinesOptions {
    invert: boolean;
    lineNumbers: boolean;
    countOnly: boolean;
    filesOnly: boolean;
    onlyMatching: boolean;
    maxCount: number | null;
}
export declare function grepLines(path: string, data: readonly string[], compiled: RegExp, opts: GrepLinesOptions): string[];
export declare function countRecordsHaveMatches(results: readonly string[]): boolean;
export declare function nonzeroCountStream(source: AsyncIterable<Uint8Array>): AsyncIterable<Uint8Array>;
export declare function countExitStream(source: AsyncIterable<Uint8Array>, io: IOResult): AsyncIterable<Uint8Array>;
export interface GrepStreamOptions {
    invert: boolean;
    lineNumbers: boolean;
    onlyMatching: boolean;
    maxCount: number | null;
    countOnly: boolean;
    afterContext: number;
    beforeContext: number;
}
export declare function grepStream(source: AsyncIterable<Uint8Array>, pat: RegExp, opts: GrepStreamOptions): AsyncIterable<Uint8Array>;
export interface GrepFilesOnlyOptions {
    recursive: boolean;
    ignoreCase: boolean;
    invert: boolean;
    lineNumbers: boolean;
    countOnly: boolean;
    fixedString: boolean;
    onlyMatching: boolean;
    maxCount: number | null;
    wholeWord: boolean;
    basic: boolean;
    filters?: WalkFilters;
}
export declare function grepRecursive(readdirFn: AsyncReaddirFn, statFn: AsyncStatFn, readBytesFn: AsyncReadBytesFn, path: string, compiled: RegExp, opts: GrepFilesOnlyOptions, warnings: string[] | null, filesOnly?: boolean): Promise<string[]>;
export declare function exitCodeFor(matched: boolean, failed: boolean, quiet: boolean): number;
export declare function grepFilesOnly(readdirFn: AsyncReaddirFn, statFn: AsyncStatFn, readBytesFn: AsyncReadBytesFn, path: string, pattern: string, opts: GrepFilesOnlyOptions, warnings?: string[] | null): Promise<string[]>;
export declare function prefixLines(source: AsyncIterable<Uint8Array>, prefix: string): AsyncIterable<Uint8Array>;
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