/**
 * Default configuration shipped with @spinajs/log ( Node only ).
 *
 * Everything the log package can be tuned with lives here, so the configuration
 * module surfaces a single, discoverable list of what can be changed:
 *
 *  1. a DEFAULT fs provider `fs-log-default` rooted at the working process
 *     directory, so FileTarget works without any user fs configuration,
 *  2. `logger.file` - the default FileTarget options ( buffer / rotation /
 *     retention tunables ). FileTarget merges these UNDER any per-target
 *     `options`, and a user project config ( loaded last ) overrides them - the
 *     same override chain every other spinajs package uses.
 *
 * Config files are merged with array concatenation, so the provider entry is
 * APPENDED to any providers the user configures.
 */
/**
 * Canonical default FileTarget options. This is the SINGLE source of truth for
 * every log tunable - change a default HERE, never inline in the target or a
 * strategy. It is exported ( not just embedded in the config below ) so the
 * FileTarget can fall back to the exact same values when the config file is not
 * discovered ( eg. isolated unit tests ), and so tests share one definition.
 */
export declare const LOG_FILE_DEFAULTS: {
    /** fs provider holding the active log file. */
    fs: string;
    /** Zip the archived file when it is moved to the archive. */
    compress: boolean;
    /** Rotate the active log once it grows past this many bytes ( 1 MB ). */
    maxSize: number;
    /** Flush the in-memory buffer after this many messages. */
    maxBufferSize: number;
    /** Hard cap on buffered messages; oldest are dropped past this so a down sink cannot OOM. */
    maxQueueSize: number;
    /** Periodic flush tick in milliseconds, so a partial buffer is not held. */
    flushInterval: number;
    /** How often ( seconds ) SizeLogArchiveStrategy checks the active log size. */
    archiveInterval: number;
    /** Rotation trigger strategy ( decides WHEN to archive ). */
    archiveStrategy: string;
    /** Retention strategies applied in order after each rotation. */
    retentionStrategies: string[];
    /** Archives to keep ( CountLogRetentionStrategy ), oldest deleted first. */
    maxArchiveFiles: number;
    /** Max archive age in seconds ( AgeLogRetentionStrategy ), 7 days. */
    maxAge: number;
};
declare const log: {
    fs: {
        defaultProvider: string;
        providers: {
            name: string;
            service: string;
            basePath: string;
        }[];
    };
    logger: {
        file: {
            /** fs provider holding the active log file. */
            fs: string;
            /** Zip the archived file when it is moved to the archive. */
            compress: boolean;
            /** Rotate the active log once it grows past this many bytes ( 1 MB ). */
            maxSize: number;
            /** Flush the in-memory buffer after this many messages. */
            maxBufferSize: number;
            /** Hard cap on buffered messages; oldest are dropped past this so a down sink cannot OOM. */
            maxQueueSize: number;
            /** Periodic flush tick in milliseconds, so a partial buffer is not held. */
            flushInterval: number;
            /** How often ( seconds ) SizeLogArchiveStrategy checks the active log size. */
            archiveInterval: number;
            /** Rotation trigger strategy ( decides WHEN to archive ). */
            archiveStrategy: string;
            /** Retention strategies applied in order after each rotation. */
            retentionStrategies: string[];
            /** Archives to keep ( CountLogRetentionStrategy ), oldest deleted first. */
            maxArchiveFiles: number;
            /** Max archive age in seconds ( AgeLogRetentionStrategy ), 7 days. */
            maxAge: number;
        };
        perf: {
            enabled: boolean;
            thresholds: {
                "orm.query": number;
                "http.request": number;
                default: number;
            };
            overThresholdLevel: string;
            underThresholdLevel: string;
            logCounters: boolean;
        };
    };
};
export default log;
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