export type TurnKind = 'chat' | 'image' | 'video' | 'audio' | 'analysis' | 'workflow' | 'memory' | 'settings' | 'unknown';
export type TurnIntent = 'generate' | 'edit' | 'analyze' | 'transform' | 'question' | 'capability' | 'continue' | 'reference' | 'configure' | 'clarify' | 'unknown';
export type TurnExecutionMode = 'none' | 'tool' | 'multi_tool' | 'workflow';
export type SignalProvenance = 'classifier' | 'planner' | 'runtime_state' | 'artifact_graph' | 'user_explicit';
export interface TurnTextArtifactReferenceCounts {
    images: number;
    videos: number;
    audios: number;
}
export interface TurnTextArtifact {
    kind: 'model_prompt';
    modality: 'image' | 'video';
    targetModel: string | null;
    workflow: string | null;
    durationSeconds: number | null;
    referenceCounts?: TurnTextArtifactReferenceCounts | null;
}
export interface TurnAnalysis {
    domain: TurnKind;
    intent: TurnIntent;
    executionMode: TurnExecutionMode;
    userWantsExecution: boolean;
    isCapabilityQuestion: boolean;
    isFutureInstruction: boolean;
    isReferenceOnly: boolean;
    needsPriorContext: boolean;
    referencedArtifacts: string[];
    requiredCapabilities: string[];
    needsClarification: boolean;
    confidence: number;
    textArtifact?: TurnTextArtifact | null;
    provenance: SignalProvenance;
}
export declare function isTurnKind(value: unknown): value is TurnKind;
export declare function isTurnIntent(value: unknown): value is TurnIntent;
export declare function isTurnExecutionMode(value: unknown): value is TurnExecutionMode;
export declare function isSignalProvenance(value: unknown): value is SignalProvenance;
export declare function isTurnTextArtifact(value: unknown): value is TurnTextArtifact;
export declare function isTurnAnalysis(value: unknown): value is TurnAnalysis;
export interface TurnAnalysisValidationError {
    path: string;
    message: string;
}
export interface TurnAnalysisValidationResult {
    valid: boolean;
    errors: TurnAnalysisValidationError[];
}
export declare function validateTurnAnalysis(value: unknown): TurnAnalysisValidationResult;
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