import { Specification } from "stardust-core";
export declare class LinesGenerator {
    private _lines;
    private _currentIndent;
    private _blocks;
    constructor();
    addNamedBlock(name: string, code: string): void;
    addLine(code: string): void;
    indent(): void;
    unindent(): void;
    getCode(): string;
}
export declare class ShaderGenerator extends LinesGenerator {
    constructor();
    addAdditionalCode(code: string): void;
    addDeclaration(name: string, type: string, modifier?: string): void;
    addArrayDeclaration(name: string, type: string, count?: number, modifier?: string): void;
    addUniform(name: string, type: string): void;
    addAttribute(name: string, type: string): void;
    addVarying(name: string, type: string): void;
    addIn(name: string, type: string): void;
    addOut(name: string, type: string): void;
    generateExpression(expr: Specification.Expression): string;
    addStatement(stat: Specification.Statement): void;
    addStatements(stat: Specification.Statement[]): void;
    addEmitStatement(s: Specification.StatementEmit): void;
}
export declare class ProgramGenerator {
    _spec: Specification.Mark;
    _shader: Specification.Shader;
    _asUniform: (name: string) => boolean;
    _names: {
        [name: string]: boolean;
    };
    constructor(spec: Specification.Mark, shader: Specification.Shader, asUniform: (name: string) => boolean);
    getUnusedName(hint: string): string;
    fragmentPassthru(name: string): boolean;
}