/**
 * ContainerSingularityValidation — Checks that the container type has singularity: true
 * and that the task's container is the active one.
 *
 * Param: container type ID (e.g., 'wave').
 * Reads container definition from deps.profile.
 *
 * This is a NEW step with no existing equivalent in the hardcoded BRE.
 * It enforces the Active Container Singularity principle.
 */
import type { ValidationStep, ValidationStepResult, ValidationContext } from '../types.js';
import type { StepDependencies } from '../validation-step-registry.js';
export declare class ContainerSingularityValidation implements ValidationStep {
    private readonly deps;
    readonly name = "ContainerSingularityValidation";
    private readonly containerType;
    constructor(param: string, deps: StepDependencies);
    validate(_context: ValidationContext): Promise<ValidationStepResult>;
}
//# sourceMappingURL=container-singularity-validation.d.ts.map