import { PhpProgramCodemodResult } from '../codemods/types';
import { PhpProgramIngestionMessage, PhpProgramIngestionSource } from './programIngestion';
export interface DelimitedLinesResult {
    readonly remaining: string;
    readonly lines: string[];
}
export interface FlushBufferedMessageResult {
    readonly remaining: string;
    readonly message?: PhpProgramIngestionMessage;
    readonly error?: unknown;
}
export declare function toAsyncIterable(source: PhpProgramIngestionSource): AsyncIterable<string | Buffer>;
export declare function drainDelimitedLines(buffer: string): DelimitedLinesResult;
export declare function flushBufferedMessage(buffer: string): FlushBufferedMessageResult;
export declare function normaliseStringArray(value: unknown): readonly string[];
export declare function parseMessage(line: string): PhpProgramIngestionMessage;
export declare function isPhpProgramIngestionPayload(payload: unknown): payload is PhpProgramIngestionMessage;
export declare function isPhpProgramCodemodResult(value: unknown): value is PhpProgramCodemodResult;