/** Cross-job exclusion config — names the consumer's conflict columns; the mechanism is pipework's. */
export interface ExclusionConfig {
    /** Array column — two jobs whose arrays overlap (`&&`) are mutually exclusive. */
    readonly arrayColumn?: string;
    /** Element type of `arrayColumn`. Default `'uuid'`. */
    readonly arrayElementType?: 'uuid' | 'text';
    /** Boolean column — a TRUE job is exclusive against every participating job in its scope. */
    readonly blocksAllColumn?: string;
    /** Tenant column — exclusion checks compare only jobs with the same tenant value. */
    readonly tenantColumn?: string;
}
export interface ResolvedExclusion {
    readonly arrayColumn?: string;
    readonly arrayElementType: 'uuid' | 'text';
    readonly blocksAllColumn?: string;
    readonly tenantColumn?: string;
}
export declare function resolveExclusion(config: ExclusionConfig | undefined): ResolvedExclusion | undefined;
/**
 * The claimability predicate for the claim query's candidate SELECT. Pure
 * identifiers — all quoted, no values — so the result composes as a raw SQL
 * fragment. The candidate row is aliased `candidate`, concurrent rows `r`.
 */
export declare function exclusionClaimClause(tableQ: string, exclusion: ResolvedExclusion): string;
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