import { Program } from '@typespec/compiler';
import { ReactNode } from 'react';
export type CompilationCrashed = {
    readonly internalCompilerError: any;
};
export type CompileResult = {
    readonly program: Program;
    readonly outputFiles: string[];
};
export type CompilationState = CompileResult | CompilationCrashed;
export type EmitterOptions = Record<string, Record<string, unknown>>;
export interface OutputViewerProps {
    readonly program: Program;
    /** Files emitted */
    readonly outputFiles: string[];
    /** Current viewer state (for viewers that have internal state) */
    readonly viewerState?: Record<string, any>;
    /** Callback to update viewer state */
    readonly onViewerStateChange?: (state: Record<string, any>) => void;
}
export interface ProgramViewer {
    readonly key: string;
    readonly label: string;
    readonly icon: ReactNode;
    readonly render: (props: OutputViewerProps) => ReactNode | null;
}
export interface FileOutputViewer {
    readonly key: string;
    readonly label: string;
    readonly render: (props: FileOutputViewerProps) => ReactNode | null;
}
export interface FileOutputViewerProps {
    readonly filename: string;
    readonly content: string;
    /** Line numbers to highlight as changed (1-based). */
    readonly changedLineNumbers?: number[];
}
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