/**
 * A `component` declaration, and the assignment to a state cell that lowers to
 * a `set` rather than a store.
 *
 * D115 P4 R3d: the family owns the two statements whose lowering is the
 * component instance itself — everything a component's body declares becomes
 * one setup function, and the reactive assignment is the only statement whose
 * meaning depends on what that body declared.
 */
import type { Expression, LoweringHints, Statement } from "@velarscript/compiler/extension";
import { type WebComponentDeclaration as ComponentDeclaration } from "../ast.ts";
type AssignmentStatement = Extract<Statement, {
    readonly kind: "AssignmentStatement";
}>;
/**
 * What component emission reads and writes on the emitter. `currentScope` and
 * `currentJsxNamespace` are live: the body's JSX is emitted while they name the
 * instance's scope, and every path restores what it found.
 */
export interface ComponentEmitHost {
    currentJsxNamespace: string;
    currentScope: string | null;
    readonly hints: LoweringHints;
    blockAlwaysReturns(statements: readonly Statement[]): boolean;
    emitMappedExpression(expression: Expression): string;
    emitMappedStatement(statement: Statement, depth: number): string;
    emitParameter(name: string, defaultValue: Expression | null, rest?: boolean): string;
    emitStatementLines(statements: readonly Statement[], depth: number): readonly string[];
}
export declare function emitComponent(host: ComponentEmitHost, statement: ComponentDeclaration, depth: number): string;
export declare function emitReactiveAssignment(host: ComponentEmitHost, statement: AssignmentStatement, depth: number): string | null;
export {};
//# sourceMappingURL=components.d.ts.map