import type { Root } from 'postcss';
export type CompilerMode = 'legacy' | 'shadow' | 'graph';
export type CssFragmentKind = 'tailwind' | 'theme' | 'preflight' | 'user' | 'import';
export type CssStage = 'raw' | 'framework-processed' | 'adapted';
export type SourceKind = 'css' | 'template' | 'script' | 'config' | 'asset';
export type SourceScopeKind = 'global' | 'subpackage' | 'component';
export type SourceEdgeKind = 'imports' | 'candidate-source' | 'depends-on' | 'emits-to';
export interface SourceScope {
    id: string;
    kind: SourceScopeKind;
}
export interface SourceGraphNode {
    id: string;
    kind: SourceKind;
    scope: SourceScope;
    content?: string | undefined;
}
export interface SourceGraphEdge {
    from: string;
    to: string;
    kind: SourceEdgeKind;
}
export interface CssFragment {
    id: string;
    kind: CssFragmentKind;
    root: Root;
    sourceId: string;
    scope: SourceScope;
    order: number;
    stage: CssStage;
}
export interface GenerationArtifact {
    fragments: CssFragment[];
    classSet: Set<string>;
    rawCandidates: Set<string>;
    dependencies: string[];
    sourceEntries: string[];
    revision?: number | undefined;
}
export interface CandidateChange {
    sourceId: string;
    addedCandidates: Set<string>;
    removedCandidates: Set<string>;
}
export type CompilationChange = CandidateChange | {
    sourceId: string;
    type: 'source-removed';
} | {
    sourceId: string;
    type: 'dependency-changed';
} | {
    sourceId: string;
    type: 'config-changed';
};
export interface CompilationGraphSnapshot {
    nodes: SourceGraphNode[];
    edges: SourceGraphEdge[];
}
export interface CompilationSnapshot extends CompilationGraphSnapshot {
    candidatesBySource?: Iterable<readonly [string, Iterable<string>]> | undefined;
    changes?: CompilationChange[] | undefined;
    preserveDeletedCss?: boolean | undefined;
    validatedClassSet?: Iterable<string> | undefined;
}
export interface CompilationResult {
    revision: number;
    candidates: Set<string>;
    candidatesBySource: Map<string, Set<string>>;
    validatedClassSet: Set<string>;
    invalidatedScopes: Set<string>;
    graphEdges: SourceGraphEdge[];
    graphNodes: SourceGraphNode[];
}
export interface CompilationSession {
    update: (snapshot: CompilationSnapshot) => CompilationResult | Promise<CompilationResult>;
    commitValidation: (revision: number, validatedClassSet: Iterable<string>, graph?: CompilationGraphSnapshot | undefined) => CompilationResult | Promise<CompilationResult>;
    dispose: () => void;
}
export interface PlatformGenerationRequest {
    sourceId: string;
    scope: SourceScope;
    css: string;
    candidates: Set<string>;
}
export interface PreparedPlatformGenerationRequest extends PlatformGenerationRequest {
    restoreCandidates?: ReadonlyMap<string, string> | undefined;
}
export interface PlatformAdapterContext {
    stage: CssStage;
}
export interface PlatformAdapter {
    id: 'web' | 'mini-program' | 'native-app';
    prepare: (request: PlatformGenerationRequest) => PreparedPlatformGenerationRequest;
    transform: (artifact: GenerationArtifact, context: PlatformAdapterContext) => Promise<GenerationArtifact>;
}