import ts from 'typescript';
import type { AngularEntityKind } from './resolveOwningComponents';
export type FastHmrFallbackReason = 'file-not-found' | 'class-not-found' | 'no-component-decorator' | 'unsupported-decorator-args' | 'inherits-decorated-class' | 'multiple-decorators-on-class' | 'template-parse-error' | 'template-resource-not-found' | 'style-resource-not-found' | 'structural-change' | 'unexpected-error';
export type ComponentFingerprint = {
    className: string;
    selector: string | null;
    standalone: boolean;
    ctorParamTypes: string[];
    providerImportSig: string[];
    hasProviders: boolean;
    hasViewProviders: boolean;
    inputs: string[];
    outputs: string[];
    arrowFieldSig: string[];
    memberDecoratorSig: string[];
    topLevelImports: string[];
    propertyFieldNames: string[];
    encapsulation: number;
    changeDetection: number | null;
    importsArraySig: string;
    hostDirectivesSig: string;
    animationsArraySig: string;
    providersArraySig: string;
    viewProvidersArraySig: string;
    decoratorInputsArraySig: string;
    decoratorOutputsArraySig: string;
    hostBindingsSig: string;
    pageExportsSig: string;
    schemasSig: string;
};
export type FastHmrSuccess = {
    ok: true;
    moduleText: string;
    componentSource: ts.SourceFile;
    fingerprintChanged: boolean;
    rebootstrapRequired: boolean;
};
export type FastHmrFailure = {
    ok: false;
    reason: FastHmrFallbackReason;
    detail?: string;
    file?: string;
    line?: number;
    column?: number;
    lineText?: string;
};
export type FastHmrResult = FastHmrSuccess | FastHmrFailure;
export declare const takePendingModule: (id: string) => string | undefined;
export declare const invalidateFingerprintCache: () => void;
export declare const primeComponentFingerprint: (componentFilePath: string) => Promise<void>;
export declare const recordFingerprint: (id: string, fp: ComponentFingerprint) => void;
export type TryFastHmrParams = {
    componentFilePath: string;
    className: string;
    projectRoot?: string;
    kind?: AngularEntityKind;
};
export declare const tryFastHmr: (params: TryFastHmrParams) => Promise<FastHmrResult>;