import type { DiscoveryProvenance } from './types.js';
/** The smallest tool-result shape needed to resolve discovery provenance. */
export interface DiscoveryToolResult {
    readonly toolCallId: string;
    readonly toolName?: string;
    readonly content: readonly unknown[];
}
/**
 * Joins the text blocks exactly as discovery evidence is collected. The
 * offsets in DiscoveryEvidenceSpan are UTF-16 code-unit offsets into this
 * string.
 */
export declare function concatenateEvidenceText(content: readonly unknown[]): string;
/**
 * Resolves and verifies a discovery quote from tool results on a caller's
 * current branch. An absent result or any unverifiable metadata returns
 * undefined rather than implying that the associated fact is invalid.
 */
export declare function resolveDiscoveryQuote(provenance: DiscoveryProvenance, toolResults: readonly DiscoveryToolResult[]): string | undefined;
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