export { canonicalToolArtifactRoot } from "@mono-agent/observability";
/** Validate a newly reported artifact without following provider-controlled symlinks. */
export declare function validatedToolHistoryArtifactPath(candidate: string, artifactRoot: string, runId: string, trustedRootAliases?: readonly string[]): string | undefined;
/** Recompute availability for a path that was validated before insertion. */
export declare function toolHistoryArtifactAvailable(candidate: string, artifactRoot: string, runId: string): boolean;
export interface ToolHistoryArtifactSinkInput {
    readonly filename: string;
    readonly buffer: Buffer;
    readonly toolName: string;
    readonly toolUseId: string | null;
}
/** Build one synchronous, best-effort artifact writer bound to a trusted run. */
export declare function createToolHistoryArtifactSink(options: {
    readonly artifactRoot: string;
    readonly runId: string;
}): (artifact: ToolHistoryArtifactSinkInput) => string | null;
/** @internal Source-module fault injection; intentionally not exported by the package barrel. */
export declare function createToolHistoryArtifactSinkForTests(options: {
    readonly artifactRoot: string;
    readonly runId: string;
}, validateArtifactPath: typeof validatedToolHistoryArtifactPath): (artifact: ToolHistoryArtifactSinkInput) => string | null;
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