/**
 * @angular-modernizer/plugin-angular - Service Mutable State Rule
 *
 * Detects Angular services that expose public array/Map/Set properties and then
 * mutate them directly via push/splice/pop/sort/reverse.
 *
 * Direct mutation of shared collection state prevents OnPush components from
 * detecting changes and makes the service hard to test.
 *
 * @example
 * // Violation: public array mutated in place
 * @Injectable()
 * class UserService {
 *   users: User[] = [];
 *   addUser(u: User) { this.users.push(u); } // mutation — OnPush won't detect
 * }
 *
 * // Correct pattern: BehaviorSubject + immutable update
 * @Injectable()
 * class UserService {
 *   private readonly users$ = new BehaviorSubject<User[]>([]);
 *   readonly users = this.users$.asObservable();
 *   addUser(u: User) { this.users$.next([...this.users$.getValue(), u]); }
 * }
 */
import type { AnalysisRule, AnalysisContext, AnalysisResult } from '@angular-modernizer/plugin-system';
/**
 * ServiceMutableStateRule — detects services that mutate public collection
 * properties directly, breaking OnPush change detection compatibility.
 */
export declare class ServiceMutableStateRule implements AnalysisRule {
    readonly id = "angular:service-mutable-state";
    readonly name = "Service Mutable State";
    readonly description = "Detects services that mutate public array/Map/Set properties directly, breaking OnPush components and testability";
    readonly severity: "warning";
    readonly category = "angular-architecture";
    readonly tags: string[];
    /** Mutation methods that indicate direct in-place state modification. */
    private readonly mutationMethods;
    analyze(context: AnalysisContext): Promise<AnalysisResult[]>;
    private isInjectable;
    private analyzeClass;
}
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