import type { ProviderUsageSnapshot } from '../../models/response.js';
import type { StepProviderInfo, StepRunResult } from '../types.js';
export interface SpanMetricSnapshot {
    name: string;
    attributes: Record<string, unknown>;
}
export interface ProviderErrorMetricInput {
    runId?: string;
    provider?: string;
    model?: string;
    errorType: string;
    count?: number;
}
export interface QualityGateResultMetricInput {
    runId?: string;
    workflowName: string;
    stepName: string;
    gateName: string;
    result: 'pass' | 'fail';
}
export interface WorkflowDetectionMetricInput {
    runId?: string;
    workflowName: string;
    stepName: string;
}
export type TokenCostEstimator = (provider: string, model: string, usage: ProviderUsageSnapshot) => number | undefined;
export declare function recordTokenUsageMetricsFromSpan(span: SpanMetricSnapshot, estimateTokenCostUsd: TokenCostEstimator): void;
export declare function recordProviderErrorMetric(input: ProviderErrorMetricInput): void;
export declare function recordStepProviderErrorMetrics(runId: string | undefined, result: StepRunResult | undefined, providerInfo: StepProviderInfo | undefined): void;
export declare function recordQualityGateResultMetric(input: QualityGateResultMetricInput): void;
export declare function recordWorkflowLoopDetectedMetric(input: WorkflowDetectionMetricInput): void;
export declare function recordWorkflowCycleDetectedMetric(input: WorkflowDetectionMetricInput): void;
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