import type { RequestUploadEvidence } from './request-upload-evidence.ts';
import type { RequestCompressionEvidence } from './responses-request-compression.ts';
export type RequestBodyProtocol = 'openai-responses' | 'openai-completions' | 'anthropic-messages';
export declare const REQUEST_BODY_EVIDENCE_LIMITS: Readonly<{
    bytes: number;
    values: 65536;
    tokens: 131072;
    depth: 64;
    keyCharacters: 128;
}>;
export type RequestBodyEvidence = {
    readonly state: 'complete';
    readonly totalBytes: number;
    readonly conversationBytes: number;
    readonly toolSchemaBytes: number;
    readonly systemBytes: number;
    readonly otherBytes: number;
    /** Disjoint subsets of conversationBytes, not additional payload bytes. */
    readonly imageBlockBytes: number;
    readonly opaqueReplayBytes: number;
    readonly remainingConversationBytes: number;
} | {
    readonly state: 'unavailable' | 'size-limit' | 'work-limit' | 'invalid-json' | 'unsupported-shape';
    readonly totalBytes?: number;
};
export interface RequestBodyDispatchEvidence {
    readonly protocol: RequestBodyProtocol;
    /** Fetch invocation to response headers, not upload duration or clone-observation time. */
    readonly responseHeadersMs: number;
    readonly upload?: RequestUploadEvidence;
    readonly compression?: RequestCompressionEvidence;
}
export declare function formatRequestBodyEvidence(evidence: RequestBodyEvidence, responseHeadersMs?: number, compression?: RequestCompressionEvidence): string;
/** Diagnostic-only traversal of the original JSON spans; never reserializes or changes a request. */
export declare function requestBodyEvidence(body: string | undefined, protocol: RequestBodyProtocol): RequestBodyEvidence;
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