import type { SpanType, Span, CreateSpanOptions } from '@mastra/core/observability';
import type { ObservabilityInstanceConfig } from '../config.js';
import { BaseObservabilityInstance } from './base.js';
export declare class DefaultObservabilityInstance extends BaseObservabilityInstance {
    constructor(config: ObservabilityInstanceConfig);
    protected createSpan<TType extends SpanType>(options: CreateSpanOptions<TType>): Span<TType>;
}
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