import { LogEntryMetadata } from './types/LogEntryMetadata';
import { Severity } from './types/Severity';
export interface ILogger {
    /**
     * Log an event by specifying severity level
     */
    log(severity: Severity, message: string, meta?: LogEntryMetadata): void;
    /**
     * The log entry has no assigned severity level.
     */
    default(message: string, meta?: LogEntryMetadata): void;
    /**
     * Debug or trace information.
     */
    debug(message: string, meta?: LogEntryMetadata): void;
    /**
     * Routine information, such as ongoing status or performance.
     */
    info(message: string, meta?: LogEntryMetadata): void;
    /**
     * Normal but significant events, such as start up, shut down, or a configuration change.
     */
    notice(message: string, meta?: LogEntryMetadata): void;
    /**
     * Warning events might cause problems.
     */
    warning(message: string, meta?: LogEntryMetadata): void;
    /**
     * Error events are likely to cause problems.
     */
    error(message: string, meta?: LogEntryMetadata): void;
    /**
     * Critical events cause more severe problems or outages.
     */
    critical(message: string, meta?: LogEntryMetadata): void;
    /**
     * A person must take an action immediately.
     */
    alert(message: string, meta?: LogEntryMetadata): void;
    /**
     * One or more systems are unusable.
     */
    emergency(message: string, meta?: LogEntryMetadata): void;
    /**
     * Sets default user labels
     */
    setLabels(labels: Record<string, string | undefined>): void;
    /**
     * Returns default user labels
     */
    getLabels(): Record<string, string | undefined>;
    /**
     * Returns logger name
     */
    getName(): string;
}
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