/**
 * Log operations for the Cloud Build plugin.
 *
 * Provides log streaming with:
 * - AsyncIterable interface for consumer control
 * - Automatic completion when build finishes
 * - Configurable polling interval
 */
import type { CloudBuildClient } from '@google-cloud/cloudbuild';
import type { Storage } from '@google-cloud/storage';
import type { Logger } from 'pino';
import type { CloudBuildConfig } from '../config/types.js';
import type { LogEntry } from '../types/logs.js';
import type { LogFetcher, LogChunk, LogStreamOptions } from '../streaming/types.js';
export declare class LogOperations implements LogFetcher {
    private readonly cloudBuildClient;
    private readonly storage;
    private readonly config;
    private readonly logger;
    constructor(cloudBuildClient: CloudBuildClient, storage: Storage, config: CloudBuildConfig, logger: Logger);
    /**
     * Stream logs from a build as an AsyncIterable.
     */
    streamLogs(buildId: string, options?: LogStreamOptions): AsyncIterable<LogEntry>;
    /**
     * Fetch log entries from Cloud Logging.
     * Implements LogFetcher interface.
     */
    fetchLogs(buildId: string, offset: number): Promise<LogChunk>;
    /**
     * Get the current build status.
     * Implements LogFetcher interface.
     */
    getBuildStatus(buildId: string): Promise<string>;
    /**
     * Fetch logs from GCS bucket.
     */
    private fetchLogsFromBucket;
    /**
     * Parse a log line into a LogEntry.
     */
    private parseLogLine;
    /**
     * Parse severity string to LogSeverity type.
     */
    private parseSeverity;
    /**
     * Map numeric status to string.
     */
    private mapStatus;
    /**
     * Check if build status indicates completion.
     */
    private isBuildComplete;
}
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