/// <amd-module name="@sbb-esta/angular-core/schematics/ng-update/migrations/icon-migration" />
import { DevkitContext, Migration, ResolvedResource } from '@angular/cdk/schematics';
import * as ts from 'typescript';
export declare class IconMigration extends Migration<any, DevkitContext> {
    readonly sbbIconModule = "SbbIconModule";
    readonly sbbIconTestingModule = "SbbIconTestingModule";
    readonly sbbIconComponent = "SbbIcon";
    readonly sbbIconFitClass = "sbb-icon-fit";
    readonly sbbIconMigrationWarning = "/* TODO(icon-migration): Check if still working as intended */";
    readonly sbbIconCssReplacement: string;
    printer: ts.Printer;
    enabled: boolean;
    private _tsIconOccurences;
    private _templateIconOccurences;
    private _stylesheetIconOccurences;
    private _stylesheetRulesRegExp;
    /** Method can be used to perform global analysis of the program. */
    init(): void;
    /**
     * Method that will be called for each node in a given source file. Unlike tslint, this
     * function will only retrieve TypeScript nodes that need to be casted manually. This
     * allows us to only walk the program source files once per program and not per
     * migration rule (significant performance boost).
     */
    visitNode(node: ts.Node): void;
    private _visitImportNode;
    private _visitStringLiteralNode;
    private _resolveMigrationContext;
    /** Method that will be called for each Angular template in the program. */
    visitTemplate(template: ResolvedResource): void;
    /** Method that will be called for each stylesheet in the program. */
    visitStylesheet(stylesheet: ResolvedResource): void;
    /**
     * Method that will be called once all nodes, templates and stylesheets
     * have been visited.
     */
    postAnalysis(): void;
    private _isInSbbAngularIconsModule;
    private _matchCssIconRules;
    private _processTypeScriptFiles;
    private _replaceModules;
    private _replaceComponents;
    private _replaceImports;
    private _createImports;
    private _replaceStringLiterals;
    private _processTemplates;
    private _resolveIconDimensions;
    private _resolveSize;
    private _normalizeAttributes;
    private _resolveIconName;
    private _processStylesheets;
    private _isSpecFile;
    private _createReplacementCssRule;
    private _escapeRegExp;
}