export declare const LOG_SOURCES: readonly ["process-out", "process-err", "nginx-access", "nginx-error"];
export type TLogSourceId = typeof LOG_SOURCES[number];
export interface ILogFilesOptions {
    processOut?: string;
    processErr?: string;
    nginxAccess?: string;
    nginxError?: string;
}
export interface ILogTailRequest {
    lines?: number;
    since?: number;
    filter?: string;
}
export interface ILogTailResult {
    source: TLogSourceId;
    path: string;
    size: number;
    cursor: number;
    rotated: boolean;
    truncated: boolean;
    lines: string[];
}
export declare function listLogSources(opts?: ILogFilesOptions): Promise<{
    id: "nginx-access" | "nginx-error" | "process-err" | "process-out";
    label: string;
    path: string | null;
    configured: boolean;
    exists: boolean;
    readable: boolean;
    size: number | null;
    modifiedAt: number | null;
    reason: string | null;
}[]>;
export declare function tailLog(id: TLogSourceId, opts: ILogFilesOptions | undefined, req?: ILogTailRequest): Promise<ILogTailResult>;