export declare const VALIDATION_PROFILES: readonly ["fast", "balanced", "assurance"];
export type ValidationProfile = typeof VALIDATION_PROFILES[number];
export type ValidationScope = "static" | "targeted" | "related" | "canonical" | "full-suite" | "full";
export type ValidationOwner = "worker" | "coordinator";
export type ValidationReason = "preflight" | "acceptance" | "retry";
export type ValidationOutcome = "passed" | "failed" | "timeout" | "interrupted" | "cancelled";
export interface ValidationEnvironment {
    readonly platform: string;
    readonly arch: string;
    readonly runtime: string;
    readonly toolchain?: string;
}
export interface ValidationBudgetRequest {
    readonly run_id: string;
    readonly operation_id: string;
    readonly source_snapshot: string;
    readonly candidate: string;
    readonly command: readonly string[];
    readonly environment: ValidationEnvironment;
    readonly scope: ValidationScope;
    readonly owner: ValidationOwner;
    readonly expected_evidence: readonly string[];
    readonly marginal_value: {
        readonly unmet_criteria: readonly string[];
        readonly risk_hypothesis: string | null;
    };
    readonly reason: ValidationReason;
    readonly retry_of?: string;
    readonly changed_cause?: string;
}
export interface ValidationBudgetState {
    readonly limit: number;
    readonly consumed: number;
    readonly evidence_keys: readonly string[];
    /** Evidence that was attempted but is not eligible for reuse, or is still in flight. */
    readonly blocked_evidence_keys?: readonly string[];
    readonly prior_duration_ms?: number;
}
export interface ValidationBudgetDecision {
    readonly decision: "ALLOW" | "SKIP" | "DENY";
    readonly reason: "invalid-contract" | "duplicate-evidence" | "budget-exhausted" | "retry-justification-required" | "marginal-value-required" | "owner-mismatch" | "allowed";
    readonly scope: ValidationScope | null;
    readonly evidence_key: string | null;
    readonly consumed: number;
    readonly redundant_time_ms: number;
}
export declare function validationEvidenceState(events: readonly unknown[]): {
    readonly reusable: readonly string[];
    readonly blocked: readonly string[];
};
export declare function validationOwner(scope: ValidationScope): ValidationOwner;
export declare function selectValidationScope(input: {
    readonly profile: ValidationProfile;
    readonly canonical: boolean;
    readonly release: boolean;
    readonly explicit_risk: boolean;
}): Exclude<ValidationScope, "full">;
export declare function validationDurationGuidance(samples: readonly number[]): {
    readonly median_ms: number | null;
    readonly p90_ms: number | null;
};
export declare function passedValidationDurationGuidance(events: readonly unknown[], evidenceKey: string): {
    readonly median_ms: number | null;
    readonly p90_ms: number | null;
};
export declare function validationEvidenceKey(request: ValidationBudgetRequest): string;
export declare function validationResultFingerprint(request: ValidationBudgetRequest, outcome: ValidationOutcome, exitCode: number | null): string;
export declare function decideValidationBudget(request: unknown, state: ValidationBudgetState): ValidationBudgetDecision;