import type ILogSource from './ILogSource';
import { ServiceKey } from '@microsoft/sp-core-library';
/**
 * Represents a Log entry
 *
 * @internal
 */
export default class LogSource implements ILogSource {
    private readonly _id;
    /**
     * Factory method to create an instance of the LogSource class
     * @returns a reference to an instance of the LogSource class
     */
    static create(id: string): LogSource;
    get id(): string;
    /**
     * @returns if the LogSource is empty.
     */
    isEmpty(): boolean;
    private constructor();
}
/** @internal */
export declare const logSourceServiceKey: ServiceKey<LogSource>;
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