import { TracingProcessor } from './processor-interface';
/**
 * A trace is the root level object that tracing creates. It represents a logical "workflow".
 */
export declare abstract class Trace {
    /**
     * Start the trace.
     *
     * @param markAsCurrent - If true, the trace will be marked as the current trace.
     */
    abstract start(markAsCurrent?: boolean): void;
    /**
     * Finish the trace.
     *
     * @param resetCurrent - If true, the trace will be reset as the current trace.
     */
    abstract finish(resetCurrent?: boolean): void;
    /**
     * The trace ID.
     */
    abstract get traceId(): string;
    /**
     * The name of the workflow being traced.
     */
    abstract get name(): string;
    /**
     * Export the trace as a dictionary.
     */
    abstract export(): Record<string, any> | null;
    /**
     * Use the trace as a context manager
     */
    abstract __enter__(): Trace;
    /**
     * Exit the context manager
     */
    abstract __exit__(excType: any, excVal: any, excTb: any): void;
}
/**
 * A no-op trace that will not be recorded.
 */
export declare class NoOpTrace implements Trace {
    private _started;
    private _prevContextToken;
    __enter__(): Trace;
    __exit__(excType: any, excVal: any, excTb: any): void;
    start(markAsCurrent?: boolean): void;
    finish(resetCurrent?: boolean): void;
    get traceId(): string;
    get name(): string;
    export(): Record<string, any> | null;
}
/**
 * Global no-op trace instance
 */
export declare const NO_OP_TRACE: NoOpTrace;
/**
 * A trace that will be recorded by the tracing library.
 */
export declare class TraceImpl implements Trace {
    private _name;
    private _traceId;
    groupId: string | null;
    metadata: Record<string, any> | null;
    private _prevContextToken;
    private _processor;
    private _started;
    constructor(name: string, traceId: string | null, groupId: string | null, metadata: Record<string, any> | null, processor: TracingProcessor);
    get traceId(): string;
    get name(): string;
    start(markAsCurrent?: boolean): void;
    finish(resetCurrent?: boolean): void;
    __enter__(): Trace;
    __exit__(excType: any, excVal: any, excTb: any): void;
    export(): Record<string, any> | null;
}