import type { MEMOConfig } from '../model/config.js';
import type { MemoModelDTO } from '../model/semantic.js';
import type { CompletenessReport, ValidationResult } from '../validator/types.js';
import type { Diagnostic } from '../toolchain/diagnostic.js';
import type { ProviderRegistry } from '../toolchain/registry.js';
export interface ProjectSnapshot {
    projectRoot: string;
    /** Absolute path of the settings file, when the project has one. */
    configPath?: string;
    config: MEMOConfig;
    model: MemoModelDTO;
    validation: ValidationResult;
    completeness: CompletenessReport;
    /** Provider that answered "is this valid SysML?". */
    validator: string;
    /** Provider that answered "what can MEMO ingest?". */
    lowering: string;
    /**
     * @deprecated Reads as the validator. Kept so callers written against the
     * single-provider shape keep working while they move to `validator`.
     */
    compiler: string;
    /** Normalized diagnostics from both roles, each in its own domain. */
    diagnostics: Diagnostic[];
    /**
     * True when the model shown is the last one that built, not this revision.
     *
     * §1.1: while the current revision is broken the diagram keeps the last
     * good scene rather than blanking. A caller that draws needs to know which
     * it is holding.
     */
    stale: boolean;
}
/** Drop the retained model for a project — a fresh start really is fresh. */
export declare function forgetLastGoodModel(projectRoot?: string): void;
/** Build the immutable data payload consumed by exports and Architect. */
export declare function buildProjectSnapshot(projectRoot?: string, options?: {
    registry?: ProviderRegistry;
}): Promise<ProjectSnapshot>;
/** Serialize data for an inline script without permitting script termination. */
export declare function serializeForInlineScript(value: unknown): string;
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