import ts from 'typescript/lib/tsserverlibrary.js';
/**
 * search for `ɵɵ0Directive.*0ɵɵ` type
 *
 * example:
 * ```ts
 * export type ɵɵ0IfDirective0ɵɵ = {
 * 	selector: '*if';
 * 	successor: '*else',
 * 	inputs: [
 * 		{ name: 'ifCondition', aliasName: 'if' },
 * 		{ name: 'thenTemplateRef', aliasName: 'then' },
 * 		{ name: 'elseTemplateRef', aliasName: 'else' },
 * 	],
 * 	outputs: [],
 * };
 * ```
 * @param program a ts program
 * @returns a transformer factory of source file
 */
export declare function scanDirectivesTypeVisitor(sourceFile: ts.SourceFile): void;
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