export declare const CONTEXT_XRAY_MANIFEST_KEY = "context_xray:manifest";
export type ContextDirectiveAction = "pin" | "evict" | "summarize";
export type ContextDirectiveCreator = "user" | "agent";
export type ContextSegmentType = "text" | "image" | "file" | "tool-call" | "tool-result" | "thinking";
export type ContextSegmentRole = "user" | "assistant";
export type ContextSegmentStatus = "active" | "pinned" | "evicted" | "summarized";
export type ContextTokenCountMethod = "exact" | "estimate";
export type ContextManifestSource = "structured" | "flattened" | "external" | "preview";
export type ContextSystemProvenance = "framework-core" | "actions-prompt" | "template" | "enterprise-workspace-core" | "sql-workspace" | "legacy-app-default" | "organization" | "personal" | "memory" | "db-schema" | "tools" | "model-overlay" | "runtime-context";
export type ContextGovernanceTier = "required" | "inherited" | "user";
export interface ContextManifestSourceRef {
    resourceId?: string;
    path?: string;
    scope?: string;
}
/**
 * A non-evictable system-prompt contribution. This is intentionally separate
 * from conversation segments so old manifests can be read without a schema
 * migration and directive code can never accidentally evict system context.
 */
export interface ContextManifestSystemSection {
    kind: "system";
    segmentId: string;
    group: string;
    label: string;
    provenance: ContextSystemProvenance;
    governance: ContextGovernanceTier;
    tokenCount: number;
    tokenMethod: ContextTokenCountMethod;
    sourceRef?: ContextManifestSourceRef;
    contentHash: string;
    preview: string;
    timestamp: number;
}
export interface ContextPreview {
    computedAt: number;
    model?: string;
    scope: "user" | "org";
    totalTokens: number;
    systemTokens: number;
    tokenCountMethod: ContextTokenCountMethod;
    sections: ContextManifestSystemSection[];
    source: "preview";
}
export interface ContextDirective {
    id?: string;
    threadId: string;
    segmentId: string;
    action: ContextDirectiveAction;
    summaryText?: string | null;
    createdBy: ContextDirectiveCreator;
    active: boolean;
    originTurn?: string | null;
    createdAt?: number;
    updatedAt?: number;
}
export interface ContextManifestSegment {
    segmentId: string;
    type: ContextSegmentType;
    role: ContextSegmentRole;
    group: string;
    label: string;
    tokenCount: number;
    tokenMethod: ContextTokenCountMethod;
    status: ContextSegmentStatus;
    protected?: boolean;
    originTurn?: string;
    lastReferencedTurn?: string;
    summaryTokenCount?: number;
    pairKey?: string;
    msgIndex?: number;
    partIndex?: number;
}
export interface ContextManifest {
    threadId: string;
    turnId?: string;
    computedAt: number;
    model?: string;
    totalTokens: number;
    rawTokens: number;
    reclaimedTokens: number;
    tokenCountMethod: ContextTokenCountMethod;
    /** Conversation-only total. Old manifests omit this and are conversation-only. */
    conversationTokens?: number;
    /** System-prompt total. Old manifests omit this and have no system sections. */
    systemTokens?: number;
    source: ContextManifestSource;
    enforceable: boolean;
    segments: ContextManifestSegment[];
    /** Optional for strict backward compatibility with persisted old manifests. */
    systemSections?: ContextManifestSystemSection[];
    url?: string;
}
export declare function manifestSystemTokens(manifest: ContextManifest): number;
export declare function manifestConversationTokens(manifest: ContextManifest): number;
export declare function emptyContextManifest(threadId: string, opts?: {
    source?: ContextManifestSource;
    enforceable?: boolean;
    model?: string;
    turnId?: string;
}): ContextManifest;
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