/**
 * Standard span attributes for workflow tracing
 * Based on OpenTelemetry semantic conventions + custom workflow attributes
 */
export declare const TRACE_PARENT_HEADER = "traceparent";
export declare const TRACE_STATE_HEADER = "tracestate";
export declare const BAGGAGE_HEADER = "baggage";
export declare const SERVICE_NAME = "service.name";
export declare const SERVICE_VERSION = "service.version";
export declare const SERVICE_INSTANCE_ID = "service.instance.id";
export declare const WORKFLOW_NAME = "workflow.name";
export declare const WORKFLOW_ID = "workflow.id";
export declare const WORKFLOW_RUN_ID = "workflow.run.id";
export declare const WORKFLOW_VERSION = "workflow.version";
export declare const WORKFLOW_ENTRY_POINT = "workflow.entry_point";
export declare const WORKFLOW_NODE_COUNT = "workflow.node_count";
export declare const WORKFLOW_STATUS = "workflow.status";
export declare const NODE_NAME = "node.name";
export declare const NODE_TYPE = "node.type";
export declare const NODE_INDEX = "node.index";
export declare const NODE_RETRY_COUNT = "node.retry_count";
export declare const NODE_TIMEOUT = "node.timeout";
export declare const NODE_DURATION = "node.duration_ms";
export declare const NODE_STATUS = "node.status";
export declare const LLM_SYSTEM = "llm.system";
export declare const LLM_REQUEST_MODEL = "llm.request.model";
export declare const LLM_RESPONSE_MODEL = "llm.response.model";
export declare const LLM_REQUEST_MAX_TOKENS = "llm.request.max_tokens";
export declare const LLM_REQUEST_TEMPERATURE = "llm.request.temperature";
export declare const LLM_REQUEST_TOP_P = "llm.request.top_p";
export declare const LLM_USAGE_INPUT_TOKENS = "llm.usage.input_tokens";
export declare const LLM_USAGE_OUTPUT_TOKENS = "llm.usage.output_tokens";
export declare const LLM_USAGE_TOTAL_TOKENS = "llm.usage.total_tokens";
export declare const LLM_USAGE_COST = "llm.usage.cost";
export declare const TOOL_NAME = "tool.name";
export declare const TOOL_PARAMETERS = "tool.parameters";
export declare const TOOL_RESULT = "tool.result";
export declare const TOOL_DURATION = "tool.duration_ms";
export declare const TOOL_SUCCESS = "tool.success";
export declare const ERROR_TYPE = "error.type";
export declare const ERROR_MESSAGE = "error.message";
export declare const ERROR_STACK = "error.stack";
export declare const ERROR_CODE = "error.code";
export declare const RETRY_ATTEMPT = "retry.attempt";
export declare const RETRY_MAX = "retry.max";
export declare const RETRY_DELAY = "retry.delay_ms";
export declare const CIRCUIT_BREAKER_STATE = "circuit_breaker.state";
export declare const COMPENSATION_TRIGGERED = "compensation.triggered";
export declare const COMPENSATION_NODE = "compensation.node";
export declare const DEAD_LETTER_QUEUE = "dlq.added";
export declare const APPROVAL_ID = "approval.id";
export declare const APPROVAL_TYPE = "approval.type";
export declare const APPROVAL_STATUS = "approval.status";
export declare const APPROVAL_TIMEOUT = "approval.timeout_ms";
export declare const APPROVAL_ASSIGNEE = "approval.assignee";
export declare const TIMER_TYPE = "timer.type";
export declare const TIMER_DELAY = "timer.delay_ms";
export declare const TIMER_CRON = "timer.cron";
export declare const TIMER_SCHEDULED_AT = "timer.scheduled_at";
export declare const TIMER_FIRED_AT = "timer.fired_at";
export declare const SUBWORKFLOW_NAME = "subworkflow.name";
export declare const SUBWORKFLOW_DEPTH = "subworkflow.depth";
export declare const SUBWORKFLOW_PARENT_ID = "subworkflow.parent_id";
export declare const TRIGGER_TYPE = "trigger.type";
export declare const TRIGGER_ID = "trigger.id";
export declare const TRIGGER_SOURCE = "trigger.source";
export declare const WEBHOOK_PATH = "webhook.path";
export declare const WEBHOOK_METHOD = "webhook.method";
export declare const CRON_EXPRESSION = "cron.expression";
export declare const CRON_NEXT_RUN = "cron.next_run";
/**
 * Build standard workflow span attributes
 */
export declare function workflowSpanAttributes(workflowName: string, workflowId: string, runId: string, additionalAttrs?: Record<string, unknown>): Record<string, unknown>;
/**
 * Build standard node span attributes
 */
export declare function nodeSpanAttributes(nodeName: string, nodeType: string, nodeIndex: number, additionalAttrs?: Record<string, unknown>): Record<string, unknown>;
/**
 * Build LLM span attributes from token usage
 */
export declare function llmSpanAttributes(system: string, model: string, inputTokens: number, outputTokens: number, cost?: number, additionalAttrs?: Record<string, unknown>): Record<string, unknown>;
/**
 * Build tool span attributes
 */
export declare function toolSpanAttributes(toolName: string, success: boolean, durationMs: number, additionalAttrs?: Record<string, unknown>): Record<string, unknown>;
/**
 * Build error span attributes
 */
export declare function errorSpanAttributes(error: Error, additionalAttrs?: Record<string, unknown>): Record<string, unknown>;
/**
 * Build retry span attributes
 */
export declare function retrySpanAttributes(attempt: number, maxAttempts: number, delayMs: number, additionalAttrs?: Record<string, unknown>): Record<string, unknown>;
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