/**
 * Benchkit OTLP Semantic Conventions
 *
 * Canonical attribute names and valid values for the benchkit OTLP contract.
 * Source of truth: docs/otlp-semantic-conventions.md
 *
 * Every benchkit OTLP producer and consumer should import from this module
 * rather than hard-coding attribute strings.
 */
/** Unique run artifact identifier, e.g. `"12345678-1"`. Required. */
export declare const ATTR_RUN_ID = "benchkit.run_id";
/** Benchmark kind: code, workflow, or hybrid. Required. */
export declare const ATTR_KIND = "benchkit.kind";
/** Parser / origin format that produced the OTLP data. Required. */
export declare const ATTR_SOURCE_FORMAT = "benchkit.source_format";
/** Git ref (branch or tag). Strongly recommended. */
export declare const ATTR_REF = "benchkit.ref";
/** Full commit SHA. Strongly recommended. */
export declare const ATTR_COMMIT = "benchkit.commit";
/** GitHub Actions workflow name. Strongly recommended. */
export declare const ATTR_WORKFLOW = "benchkit.workflow";
/** GitHub Actions job name. Strongly recommended. */
export declare const ATTR_JOB = "benchkit.job";
/** Retry/rerun attempt number. Optional. */
export declare const ATTR_RUN_ATTEMPT = "benchkit.run_attempt";
/** Human-readable runner description. Optional. */
export declare const ATTR_RUNNER = "benchkit.runner";
/** OpenTelemetry standard service name. Strongly recommended. */
export declare const ATTR_SERVICE_NAME = "service.name";
/** Application or service version. Optional. */
export declare const ATTR_SERVICE_VERSION = "service.version";
/** All resource attributes that MUST be present. */
export declare const REQUIRED_RESOURCE_ATTRIBUTES: readonly ["benchkit.run_id", "benchkit.kind", "benchkit.source_format"];
/** Primary benchmark scenario / workload name. Required. */
export declare const ATTR_SCENARIO = "benchkit.scenario";
/** Series identity within a scenario. Required. */
export declare const ATTR_SERIES = "benchkit.series";
/** Metric improvement direction. Required for comparison-eligible metrics. */
export declare const ATTR_METRIC_DIRECTION = "benchkit.metric.direction";
/** Metric role: outcome or diagnostic. Recommended. */
export declare const ATTR_METRIC_ROLE = "benchkit.metric.role";
/**
 * Datapoint attributes consumed internally by the projection logic.
 * These are not forwarded as user-visible benchmark tags.
 */
export declare const RESERVED_DATAPOINT_ATTRIBUTES: Set<string>;
/** Valid values for `benchkit.kind`. */
export declare const VALID_RUN_KINDS: readonly ["code", "workflow", "hybrid"];
export type RunKind = (typeof VALID_RUN_KINDS)[number];
/** Valid values for `benchkit.metric.direction`. */
export declare const VALID_DIRECTIONS: readonly ["bigger_is_better", "smaller_is_better"];
export type Direction = (typeof VALID_DIRECTIONS)[number];
/** Valid values for `benchkit.metric.role`. */
export declare const VALID_METRIC_ROLES: readonly ["outcome", "diagnostic"];
export type MetricRole = (typeof VALID_METRIC_ROLES)[number];
/** Valid values for `benchkit.source_format`. */
export declare const VALID_SOURCE_FORMATS: readonly ["go", "otlp", "rust", "hyperfine", "pytest-benchmark", "benchmark-action"];
export type SourceFormat = (typeof VALID_SOURCE_FORMATS)[number];
/** Default Git branch name used for storing benchmark data. */
export declare const DEFAULT_DATA_BRANCH = "bench-data";
/**
 * Prefix reserved for infrastructure / diagnostic metrics emitted by the
 * benchkit monitor action (e.g. `_monitor.cpu_user_pct`).
 */
export declare const MONITOR_METRIC_PREFIX = "_monitor.";
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